4 1 10 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 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