7 1 10 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 TEGUH WAHYONO Additional Author M. Lukman Fadli Additional Author A. Sipayung Additional Author R.A. Lubis Additional Author Rolettha Y. Purba Additional Author Sudharto Ps Additional Author Suwandi Additional Author R. Desmier De Chenon Additional Author P. Simatupang Additional Author mixed material 02161427 Pematang Siantar Pusat Penelitian Marihat 1992 COVER_VOL.12_NO.3_OKTOBER_1992.jpg Endang Syamsuddin Additional Author Sudharto Ps Additional Author Suwandi Additional Author R. Desmier De Chenon Additional Author A.U. Lubis Additional Author B. Naert Additional Author R. Gal Additional Author J. Olivin Additional Author Desmier de Chenon Additional Author mixed material 02161427 Pematang Siantar Pusat Penelitian Marihat 1990 COVER_VO.10_NO.1_APRIL_1990.jpg Endang Syamsuddin Additional Author A. Sipayung Additional Author T.L. Tobing Additional Author Sudharto Ps Additional Author Suwandi Additional Author A.U. Lubis Additional Author B. Naert Additional Author R. Gal Additional Author J. Olivin Additional Author Desmier de Chenon Additional Author mixed material 02161427 Pematang Siantar Pusat Penelitian Marihat 1990 COVER_VO.10_NO.1_APRIL_1990.jpg Pusat Penelitian Kelapa Sawit (PPKS) Additional Author A. Sipayung Additional Author Rolettha Y. Purba Additional Author Agus Susanto Additional Author Agus Eko Prasetyo Additional Author Hari Priwiratama Additional Author Donnarina Simanjuntak Additional Author T. A. Perdana Rozziansha Additional Author Sudharto P. S Additional Author Roch Desmier de Chenon Additional Author mixed material 9786027539266 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2015 Cvr_Kunci_Sukses_Peng._Hama.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 SIPAYUNG, A dan R. Desmier de Chenon Additional Author mixed material Medan PPKS 1994 Cvr_Uji_tanaman_inang.JPG