4 1 10 Kabul Pamin Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Christa U. Ginting Additional Author Eka Nuryanto Additional Author Dwi Asmono Additional Author A. Sipayung Additional Author Chairul Muluk Additional Author Angga Jatmika Additional Author L. A. Napitupulu, Chairul Muluk Additional Author Sudharto Parwirosukarto Additional Author Renni Yuliasari Additional Author L. A. Napitupulu Additional Author Asmini Additional Author Djoko Santoso Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1998 cover_warta_vol6no1.jpg Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author S. Rahutomo, Arsyad D. Koedadiri Additional Author Syamsul Anwar, Petrus Purba Additional Author Eka Nuryanto, Enny Ratnaningsih, Herri Susanto Additional Author Donald Siahaan, Jenny Elisabeth, Tri Haryati, Purboyo Guritno, Yuniarti Yusak Additional Author Renni Yuliasari, Darnoko, Klaus Wulfert, Waldemar Gindulis Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2001 cover_warta_vol9no2.jpg Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Gale Ginting, Fatmawati Additional Author Arsyad D. koedadiri, Winarna Additional Author Tjahjono Herawan, Purboyo Guritno, Erwinsyah, Frank Schuchardt Additional Author Erwinsyah, Tjahjono Herawan, Endang Susilawati Additional Author Renni Yuliasari, Tjahjono Herawan Additional Author Ferry Salman Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1999 cover_warta_vol7no2.jpg Kabul Pamin Additional Author Eka Nuryanto Additional Author PPKS Additional Author Iman Yani Harahap Additional Author TEGUH WAHYONO Additional Author R. Desmier De Chenon Additional Author Amir Purba Additional Author Tjahyono Herawan Additional Author Sudharto Parwirosukarto Additional Author Renni Yuliasari Additional Author Rolettha Yani Purba Additional Author Indra Eko Setyo Additional Author E. Lamade Additional Author Witjaksana Darmosakoro Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 1999 cvr_7_N2_1999.JPG