Simatupang, L. R. (1998). Foundation of Behavioral Research = Asas-asas Penelitian Behavioral. Gadjah Mada University Press.
Chicago Style CitationSimatupang, Landung R. Foundation of Behavioral Research = Asas-asas Penelitian Behavioral. Gadjah Mada University Press, 1998.
MLA CitationSimatupang, Landung R. Foundation of Behavioral Research = Asas-asas Penelitian Behavioral. Gadjah Mada University Press, 1998.
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