Purnomo, Hari3 Handi Chandra3 Spiegel, Murray R. ; John Schiller ; R. Alu Srinivasan2 Chandra2 Sondang P. Siagian2 Adi Nugroho2 Santrock, John W.2 Sebesta, Robert W.2 Machfoedz, Mas'ud ; Machfoedz, Mahmud1 Rani Abdul ; Bustanul Arifin ; Martutik1 Parera, J.D.1 Elizabeth Lutters1 A. Haviland William ; R.G. Soekadijo1 Zulkarimen Nasution1 Mulyana, Deddy1 Ruslan, Rosady1 Horton, Paul B ; Hunt, Chester L1 Santrock John W.1 Hunt, R. reed ; Henry C. Ellis1 Lahey Benjamin B.1