3 1 10 PPKS Additional Author Luqman Erningpraja Additional Author Tjahjono Herawan Additional Author Donald Siahaan Additional Author Yurna Yenni Additional Author Condro Utomo Additional Author Retno Diah Setiowati Additional Author Bagus Giri Yudanto Additional Author Abdul Razak Purba Additional Author TRI HARYATI Additional Author SABARIDA Additional Author Nancy D. Haro Additional Author Endang Nurhayati Additional Author Saffrudin Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2005 cvr_13_N3_2005.JPG SABARIDA Additional Author mixed material Medan FMIPA USU 2001 Cvr_Perubahan_sifat....JPG Heri Santoso Additional Author Dhimas Wiratmoko Additional Author Hasrul Abdi Hasibuan Additional Author Nuzul Hijri Darlan Additional Author Frisda R. Panjaitan Additional Author Rizki Amalia Additional Author Fandi Hidayat Additional Author Atika Afriani Additional Author M. Arif Yusuf Additional Author Sabarida Silalahi Additional Author Agus E. Prasetyo Additional Author Syafrudin Additional Author mixed material 20852002 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2012 Cvr_Sawit_Media_5_sept_2012.JPG