Cite
An Investigation of the Influence of Two Different Elementary School Science Programs on the Intellectual Development of Sixth-Grade Children Using Piaget-Type Tasks.
MLA
Hansen, Gerald Herman. An Investigation of the Influence of Two Different Elementary School Science Programs on the Intellectual Development of Sixth-Grade Children Using Piaget-Type Tasks. Jan. 1973. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=eric&AN=ED089963&authtype=sso&custid=ns315887.
APA
Hansen, G. H. (1973). An Investigation of the Influence of Two Different Elementary School Science Programs on the Intellectual Development of Sixth-Grade Children Using Piaget-Type Tasks.
Chicago
Hansen, Gerald Herman. 1973. “An Investigation of the Influence of Two Different Elementary School Science Programs on the Intellectual Development of Sixth-Grade Children Using Piaget-Type Tasks,” January. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=eric&AN=ED089963&authtype=sso&custid=ns315887.