20922 1930 10 B. Simanjuntak Primary Author I.L. Pasaribu Additional Author mixed material Bandung Tarsito cv pionir jaya Primary Author mixed material Pionir Jaya Bandung Sondang P. Siagian Primary Author mixed material 9795183834 Jakarta Rineka Cipta 1989 Guy R. Lefrancois Primary Author mixed material 0534029698 California Wadsworth 1984 David C. McClelland Primary Author mixed material 0875895263 San Francisco Jossey Bass 1982 Douglas H. Powell Primary Author mixed material 0316715492 United States powell associates 1983 Sarlito Wirawan Sarwono Primary Author mixed material 9794210943 Jakarta Rajawali Pers 1995 Amy Bjork Herals Primary Author Thomas A. Harris Additional Author mixed material Jakarta Erlangga 1985 Sidney J. Parnes Primary Author mixed material 0023881003 United States Parnes Published 1967 Iriani Indri Hapsari Primary Author Ira Puspitawati Primary Author Ratna Dyah Suryaratri Additional Author mixed material 9789796920709 Bandung Remaja Rosdakarya 2014