5 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 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 ANWAR, Syamsul Additional Author mixed material Bandung Univ. Pajajaran 1987 Cvr_Pengaruh_beberapa_......JPG Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Luqman Erningpraja Additional Author SUGIYONO Additional Author Rolettha Y. Purba, Sudharto Prawirosukarto, danR. Desmier de Chenon Additional Author Lalu Firman Budiman, Dwi Asmono, Edi Suprianto Additional Author Sugiyono, Arsyad D. Koedadiri, Syamsul Anwar Additional Author E.S. Sutarta, Winarna Additional Author Agus Susanto, Rolettha Y. Purba, Sudhartp Ps Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2002 cover_warta_vol10no2-3.jpg