Analysis of information sources in references of the Wikipedia article "榜样" in Chinese language version.
He developed a theory of the reference group (i.e., the group to which individuals compare themselves, which is not necessarily a group to which those individuals belong), and elaborated on the concepts of in-group and out-group
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缺少标题 (帮助) (PDF). Ideas viajeras y sus objetos. El intercambio científico entre Alemania y América austral. Madrid–Frankfurt am Main: Iberoamericana–Vervuert. 2011: 29–40 [2022-12-28]. (原始内容存档 (PDF)于2018-12-21) (西班牙语).He developed a theory of the reference group (i.e., the group to which individuals compare themselves, which is not necessarily a group to which those individuals belong), and elaborated on the concepts of in-group and out-group
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缺少标题 (帮助) (PDF). Ideas viajeras y sus objetos. El intercambio científico entre Alemania y América austral. Madrid–Frankfurt am Main: Iberoamericana–Vervuert. 2011: 29–40 [2022-12-28]. (原始内容存档 (PDF)于2018-12-21) (西班牙语).