7 1 10 Iman Yani Harahap Additional Author Witjaksana Darmosarkoro Additional Author Agus Susanto Additional Author Heri Santoso Additional Author Donald Siahaan Additional Author Yurna Yenni Additional Author Hernawan Yuli Rahmadi Additional Author Edy Sigit Sutarta Additional Author Hasril Hasan Siregar Additional Author Nanang Supena Additional Author Ratnawati Nurkhoiry Additional Author Sri Wening Additional Author Erwinsyah Additional Author Abdul Razak Purba Additional Author Mohamad Arif Additional Author Erna Yunita Additional Author mixed material 14103362 Medan Pusat Penelitian Kelapa Sawit 2013 Cvr_Laptah_PPKS_thn2013.JPG PUSAT PENELITIAN KELAPA SAWIT Additional Author Eko Noviandi Ginting Additional Author Yurna Yenni Additional Author Ernayunita Additional Author Erwinsyah Additional Author Muhammad Akmal Agustira Additional Author HARAHAP, Iman Yani Additional Author Mohamad Arif Additional Author Wendi Erwin Nasution Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2016 Cvr_Warta_PPKS_v21n2_Juni_16.JPG Eka Nuryanto Additional Author PUSAT PENELITIAN KELAPA SAWIT Additional Author Agus Susanto Additional Author Agus Eko Prasetyo Additional Author Heri Santoso Additional Author Eko Noviandi Ginting Additional Author Hasrul Abdi Hasibuan Additional Author Iput Pradiko Additional Author Muhdan Syarovy Additional Author HARAHAP, Iman Yani Additional Author Mohamad Arif Additional Author Taufiq C. Hidayat Additional Author Tjut Ahmad Perdana Additional Author Aga Prima Hardika Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2015 Cvr_Warta_PPKS_V20n2_Juni_2015.JPG Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Agus Susanto Additional Author Agus Eko Prasetyo Additional Author HARAHAP, Iman Yani Additional Author Mohamad Arif Additional Author Winarna Dan Heri Santoso Additional Author Arsyad D. Koedadiri, Andru N. Dwinata Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2013 Cover_Warta_PPKS_Vol_18_No_2.jpg Pusat Penelitian Kelapa Sawit (PPKS) Additional Author SUGIYONO Additional Author Hasrul A. Hasibuan, Donald Siahaan, Frisda R. Panjaitan Additional Author Hasrul A. Hasibuan, Donald Siahaan, Meta Rivani, Frisda R. Panjaitan Additional Author Mohamad Arif, R.Y. Purba, Yabani, E. Suprianto Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2008 cover_v16no2jun08.jpg Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Iman Yani Harahap Additional Author Agus E. Prasetyo, Supriyadi, Agus Susanto Additional Author Iman Yani H, Amir Purba, Donald Siahaan, Frisda R. Panjaitan, Dhian Vita L, M. Arif Yusuf Additional Author Agus E. Prasetyo, Mohamad Arif, Taufik C. Hidayat Additional Author M. Akmal Agustira, Rizki Amelia Additional Author Henry Marpaung Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2012 cover_v17n1feb12.JPG Pusat Penelitian Kelapa Sawit (PPKS) Additional Author HARAHAP, Iman Yani Additional Author Sujadi, Bayu Adhi Nugroho, A. Razak Purba Additional Author Eka Nuryanto dan Muhammad Ikhsan Dalil Additional Author Hasrul Abdi Hasibuan, Meta Rivani dan Alida Lubis Additional Author Donnarina Simanjuntak, Fahrida Yanti, A.E. Prasetyo dan Agus Susanto Additional Author Mohamad Arif dan Darwin Sihombing Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2013 Cover_Warta_Vol._18_No._3.jpg