2 1 10 PPKS Additional Author DARNOKO Additional Author Winarna Additional Author Luqman Erningpraja Additional Author Heri Santoso Additional Author Tjahjono Herawan Additional Author Dhimas Wiratmoko Additional Author Condro Utomo Additional Author Edy Sigit Sutarta Additional Author Hasril Hasan Siregar Additional Author K. Murtilaksono Additional Author Muhammad Ansori Nasution Additional Author Muhammad Lukman Fadli Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2006 cvr_2_N2_2006.JPG Kabul Pamin Additional Author Purboyo Guritno Additional Author PPKS Additional Author Dwi Asmono Additional Author TEGUH WAHYONO Additional Author Kusnu Martoyo Additional Author Zul Alfian Additional Author Gale Ginting Additional Author Fatmawati Additional Author Zulkarnain Poeloengan Additional Author Angga Jatmika Additional Author Sjafrul Latief Additional Author Muhammad Ikhwan Additional Author Basuli Wirjosentono Additional Author Ratu Evina Dibyantini Additional Author Muhammmad Lukman Fadli Additional Author Elsye L. Sisworo Additional Author mixed material 0853196X Medan Pusat Penelitan Kelapa Sawit (PPKS) 1998 cvr_6_N3_1998.JPG