20 1 10 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 Kusnu Martoyo Additional Author W. Darmosarkoro, I.Y. Harahap, E. Syamsuddin Additional Author Syamsul Anwar, Dja\'far, Arsyad D. Koedadiri Additional Author Winarna, Arsyad D. Koedadiri, Edy S. Sutarta Additional Author Eka Nuryanto, Purboyo Guritno Additional Author Dja\'far, Syamsul Anwar, P. Purba Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2001 cover_warta_vol9no3.jpg LALANG BUANA Additional Author Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author S. Rahutomo, M. Lukman Fadli, Winarna Additional Author S. Rahutomo, E.S. Sutarta Additional Author Darnoko, Tjahjono Herawan, Purboyo Guritno Additional Author Sahidin, Sabrina Matsjeh, Eka Nuryanto Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2001 cover_warta_vol9no1.jpg Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Iman Yani Harahap Additional Author Fatmawati, Gale Ginting Additional Author Amir Purba, Suroso Rahutomo Additional Author Subronto, Dwi Asmono Additional Author Syamsul Anwar Additional Author P.L. Tobing, Z. Poeloengan Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2000 cover_warta_vol8no2.jpg Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author PPKS Additional Author Donald Siahaan Additional Author Tri Haryati, Donald Siahaan, Jenny Elisabeth Additional Author J. Elisabeth, Tj. Herawan, D. Siahaan, P. Guritno Additional Author T. Haryati, J. Elisabeth, D. Siahaan, Darnoko Additional Author Donald Siahaan, Jenny Elisabeth, Tri Haryati Additional Author Jenny Elisabeth, Tri Haryati, Donald Siahaan Additional Author mixed material 08532141 Medan PPKS 2000 cover_warta_vol8no1.jpg Kabul Pamin Additional Author Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Edy Suprianto Additional Author Dwi Asmono Additional Author TEGUH WAHYONO Additional Author A. Razak Purba Additional Author Gale Ginting Additional Author Fatmawati Additional Author Ferry Salman Additional Author SUGIYONO Additional Author Nadjib Fauzy Additional Author Petrus Purba Additional Author P.L. Tobing Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1998 cover_warta_vol6no3.jpg 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 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 Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Purboyo Guritno Additional Author Eka Nuryanto Additional Author Endang Syamsuddin Additional Author Rolettha Y. Purba Additional Author Tjahjono Herawan Additional Author Rachmat Adiwiganda Additional Author Hasril Hasan Siregar Additional Author Angga Jatmika Additional Author Supriyadi Sadi Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1997 cover_warta_vol5no3.jpg Kabul Pamin Additional Author Z. Poeloengan Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Eka Nuryanto Additional Author Tjahjono Herawan Additional Author Hasril Hasan Siregar Additional Author Amir Purba Additional Author Endang Susilawati Additional Author Wayan Reda Susila Additional Author Simon P. Ginting Additional Author Rizaldi Boer Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1997 cover_warta_vol5no2.jpg