12 1 10 Adlin U. Lubis Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Purboyo Guritno Additional Author Donald Siahaan Additional Author Gale Ginting Additional Author Angga Jatmika Additional Author Supriyadi Sadi Additional Author Wahyono, Teguh Additional Author TRI HARYATI Additional Author Yohannes MS. Samosir Additional Author Y.B. Che Man Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1996 cover_warta_vol4no2.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 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 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 Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Purboyo Guritno Additional Author Iman Yani Harahap Additional Author Edy Suprianto Additional Author Dwi Asmono Additional Author Suroso Rahutomo Additional Author Gale Ginting Additional Author Fatmawati Additional Author Sjafrul Latif Additional Author Angga Jatmika Additional Author P. L. Tobing Additional Author Diwan Prima Arina Additional Author H. Asmady Additional Author M. 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