7 1 20 Mengungkapkan Rahasia di Balik Lapisan Perut Bumi Trija Fayeldi, Syerif Nurhakim Primary Author mixed material 9789790633001 Kekayaan Tersembunyi dibawah Gelombang Samudera Trija Fayeldi, Syerif Nurhakim Primary Author mixed material 9789790633612 Fenomena Perubahan Alam Global dari kutub hingga Khatulistiwa Trija Fayeldi, Syerif Nurhakim Primary Author mixed material 9789790633308 Ilmu Pengetahuan yang Mengubah Peradaban Dunia Trija Fayeldi, Syerif Nurhakim Primary Author mixed material 9789790634190 Uniknya Beragam Tumbuhan di Dunia Trija Fayeldi, Syerif Nurhakim Primary Author mixed material 9789790634107 Trija Fayeldi, Syerif Nurhakim Primary Author mixed material 9789790632530 Mengungkapkan Rahasia di Balik Perubahan Wujud Benda Trija Fayeldi, Syerif Nurhakim Primary Author mixed material 9789790632646