6 1 20 Somekh, Bridget Primary Author Sikes, Pat Primary Author mixed material 9780335216598 New York Open University Press 2006 ganti_meneh_cover_crash_meneh_sip.jpg.jpg Creemers, Bert PM Primary Author Kyriakid, Leonidases Primary Author Sammons, Pam Primary Author mixed material 9780415481762 Milton Park Routledge 2010 gan_gan_aku_mung_ganti_cover_yo_hehe.jpg.jpg Scott, David Primary Author Usher, Robin Primary Author mixed material 9781441101662 London Continuuum 2011 12.jpg.jpg Pelton, Robert P. Primary Author mixed material 9781607096931 Lanham Rowman & Littefied Edcaion 2010 13.jpg.jpg Gall, Meridith D Primary Author Gall, Joyce P. Primary Author Borg, Walter R Primary Author mixed material Boston Pearson Education 2003 5.jpg.jpg Gay, LR Primary Author Mills, Geoffrey E Primary Author Airasian, Peter Primary Author mixed material 9780136040941 Canada Pearson Education 2009 4.jpg.jpg