2 1 20 William Putra Utomo Primary Author Lubis, Uni Z Additional Author Sylvia A. Sudrajat Additional Author Winston Putra Utomo Additional Author Lalita Prima Additional Author Faiz Nashrillah Additional Author Dwifantya Aquina Additional Author Malau, Ita Lismawati F Additional Author Helmi Shemi Additional Author Santi Dewi Additional Author Indiana Malia Additional Author Damanik, Margith Juita Additional Author Gregorius Aryodamar P. Additional Author Fitang Budhi Adhitia Additional Author Pinka Wima Additional Author Teatrika Handiko Putri Additional Author Napitupulu, Masdalena Additional Author Tridanti Additional Author Kevin Pakusadewo Additional Author Redaksi KPG Additional Author mixed material 9786024811020 Jakarta KPG Kepustakaan Populer Gramedia 1221276.JPG Santi Sari Dewi Primary Author Tim Grasindo Additional Author mixed material 9786024526559 Jakarta Grasindo Gramedia Widia Sarana Indonesia cover_hafal_mahir_materi_sosiologi.jpg