21088 1839 10 Soedjono Primary Author mixed material Alumni 1981 Gary L Peterson Primary Author mixed material 0534034063 Wadsworth Publishing 1984 Daniel R Peterson Primary Author Gilbert M Peter Primary Author mixed material 0673077845 england Scoot, Foresman and Company John W. Santrock Primary Author mixed material 9789793952820 Jakarta Kencana 2011 Suatu Rekaman dan Analisa Wani Hadi Utomo Primary Author mixed material 9794212253 Jakarta Rajawali Pers 1989 J Vincent Robison Primary Author mixed material 007053330x New York Mc Graw Hill D.F Scheltens Primary Author Bakri Siregar Translator mixed material Jakarta Erlangga 1984 Ronald D Jamison Primary Author mixed material San Francisco Harcourt, Brace & World Gordon B Harwood Primary Author mixed material 0256020841 learning system company Harry L Nustad Primary Author Terry H Wesner Primary Author mixed material 0697002705 1985