3 1 10 Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Subronto Primary Author Sudharto Prawirosukarto Additional Author Asmono, Dwi Primary Author JENNY Elisabeth Additional Author SUGIYONO Primary Author SUTARTA, Edy Sigit Primary Author Pamin, Kabul Primary Author GINTING, Gale Primary Author POELOENGAN, Z Primary Author Suprianto, Edy Primary Author Guritno, Purboyo Primary Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1999 cover_warta_vol7no1.jpg Daswir Additional Author Z. Poeloengan Additional Author Adlin U. Lubis Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author PUSAT PENELITIAN KELAPA SAWIT Primary Author POELOENGAN, Z Primary Author Djamin, Arifin Primary Author Purba, Petrus Primary Author Naibahao, P. M. Primary Author Hutomo, Tri Primary Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1995 cover_warta_vol3no1.jpg Dewi Sri Indriati Kusuma Additional Author mixed material Medan Universitas Sumatera Utara (USU) 2010 COVER_Seleksi_Beberapa_Tanaman_Inang_Parasitoid_dan_Predat...KS.jpg