5 1 30 John W. Santrock Primary Author mixed material 97789793925820 Jakarta Kencana Prenada Media 2010 Akhmad Khusairi, Juda Damanik Translator John W. Santrock Primary Author mixed material 9796882965 Jakarta Erlangga 2002 John W. Santrock Primary Author mixed material 9780078035425 John W. Santrock Additional Author mixed material 9780078035487 New York Mc Graw Hill 2014 John W. Santrock Primary Author Shinto B. Adelar Dan Sherly Saragih Translator mixed material 9796889102 Jakarta Erlangga 2003