5 1 30 Sang Guru Gerson Poyk Primary Author mixed material FPoys Jakarta Dunia Pustaka Jaya 1977 Tarian Ombak Gerson Poyk Primary Author mixed material 9786028556033 Jakarta Kakilangit Kencana 2009 tarian_ombak.jpg.jpg Meredam Dendam Gerson Poyk Primary Author mixed material 9786028556057 Jakarta Kakilangit Kencana 2009 meredam_dendam.jpg.jpg Oleng Kemoleng dan Surat-Surat Cinta Aleksander Rajaguguk Gerson Poyk Primary Author mixed material FPoyo Flores Nusa Indah 1974 Matias Akankari Gerson Poyk Primary Author mixed material FPoyn Jakarta Balai Pustaka 1975