5 1 10 Schiffmann, Leon G. Primary Author Leslier Lazar Kanuk Additional Author Zulkifli Kaip Primary Author mixed material 9796831023 Jakarta Indeks 2007 Zulkifli, Arif Primary Author mixed material 9786022624363 yogyakarta Graha Ilmu 2015 unduhan_%288%29.jpg.jpg Zulkifli L Primary Author mixed material 979514118X Bandung Remaja Rosdakarya 2009 psikologi-perkembangan-zulkifli-l-va-270x0.jpg.jpg Eyres, Frank Primary Author Zulkifli Harahap Translator mixed material 9789797417918 Jakarta Erlangga 2004 Zulkifli Primary Author mixed material 9789791153607 Bandung INFORMATIKA 2008