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The modern retail business is currently growing rapidly along with the times. Economic progress has also contributed to the development of the modern market and retail business in Indonesia. The modern retail business has now expanded to various cities in Indonesia. Even modern shops with minimarket franchises have spread to a number of cities and districts. Modern retail business in the form of hypermart, Indomaret, Alfamart, department store and wholesaler. While shopping centers can be in the form of malls and trade centers. The focus of this research is how are modern retail business practices and how is consumer protection in modern retail businesses?. The data in this study were collected using the methods of observation, interviews and documentation. This type of research is an empirical juridical research using a socio legal approach. The results in this study are first, modern retail business which is a development of traditional retail. In practice, the business applies modern concepts by utilizing technology and accommodates lifestyle developments at the community and consumer level. However, there are still frequent price mistakes made by business actors to consumers. This starts from the unsynchronized price listed on the displayed product with the price stored in the computerized system (product data input on the computer application) at the cashier. Second, business actors need to make efforts to synchronize prices so that price errors do not occur, as well as pay attention to the total purchases that are calculated automatically by the computerized system (product data input on computer applications) and the money that consumers give. Buyers as consumers get protection under the Consumer Protection Act and khiyar aibi in Islamic law. Increasing the accuracy and accuracy of modern retail business actors must always be done, and consumers are required to be smarter in this contemporary muamalah era, by understanding a good transaction method to avoid unwanted things.

The drying oven functions to reduce the moisture content of raw materials until it reaches a certain moisture content to slow the rate of product damage due to biological and chemical activity. This research aims to design an automatic shoe-drying oven equipped with an LCD screen, exhaust fan, 8-level shelf, and electric heating temperature controller to provide maximum and even heating of leather shoes when gluing and drying leather shoes. Raspberry PI aims to combine and collect production process data in cloud storage in the form of a database, which will then be sent and displayed directly to the operator. The research methodology includes design, manufacturing, assembly, operational testing, performance testing, and evaluation stages. It can be concluded that the research results and progress reports include: (1) The design of the work system and mechanical system for the shoe drying oven can work well. (2) The Raspberry PI Cloud system can collect and display actual drying time data, (3) glue drying temperature of 60°C with a drying time of ±5 minutes, (4) skin heating temperature (texture creation) of 50°C-55°C requires warm-up time ±40 minutes, (5) This machine requires 850 watts of power.

Digital transformation and COVID-19 pandemics have changed human behaviour in their interactions. Virtual communication has become a new behaviour in this era. Indonesia Coffee and Cocoa Research Institute (ICCRI) held Puslitkoka Webinar Series as part of digital transformation in the dissemination. This research discusses the effectiveness of virtual learning through webinars for disseminating coffee and cocoa innovation and technologies. This research applied a purposive method to the participants of the Puslitkoka Webinar Series. Data collection was conducted from February until May 2021 by a survey with 241 respondents. The research result showed that: 1) expectation attribute was 87.82%, meaning met their expectation, 2) the satisfaction attribute was very good (90.79%), 3) the attributes of the participants' desire to take part in the next webinar is great desire (93.03%), 4) participants were very eagerly (87.88%) to share webinar to their colleagues, 5) participants were very eagerly (91.12%) to recommend the webinar to their colleagues, 6) participants were very interested (90.46%) in participating in technology dissemination activities through webinars, and 7) participants' interest in technology dissemination directly (face-to-face) was lower than interest in webinars, but was still very interested (83.65%). Puslitkoka Webinar Series as a hub of coffee and cocoa dissemination.

Tinnitus can be a burdensome condition on both individual and societal levels. Many aspects of this condition remain elusive, including its underlying mechanisms, ultimately hindering the development of a cure. Interdisciplinary approaches are required to overcome long-established research challenges. This review summarizes current knowledge in various tinnitus-relevant research fields including tinnitus generating mechanisms, heterogeneity, epidemiology, assessment, and treatment development, in an effort to highlight the main challenges and provide suggestions for future research to overcome them. Four common themes across different areas were identified as future research direction: (1) Further establishment of multicenter and multidisciplinary collaborations; (2) Systematic reviews and syntheses of existing knowledge; (3) Standardization of research methods including tinnitus assessment, data acquisition, and data analysis protocols; (4) The design of studies with large sample sizes and the creation of large tinnitus-specific databases that would allow in-depth exploration of tinnitus heterogeneity., Competing Interests: KA is employed by Cochlear Company. MJ is employed by WS Audiology. CC is employed by Oticon A/S. These relationships have not influenced the work reported in this paper. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2021 Simoes, Daoud, Shabbir, Amanat, Assouly, Biswas, Casolani, Dode, Enzler, Jacquemin, Joergensen, Kok, Liyanage, Lourenco, Makani, Mehdi, Ramadhani, Riha, Santacruz, Schiller, Schoisswohl, Trpchevska and Genitsaridi.)