21 1 10 S.Budiman Primary Author mixed material Marihat Ulu, Pematang Siantar PTP VI-VII & Puslit Marihat 1985 PT.PERKEBUNAN_VI-VII.JPG.JPG 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 Budiman, Arief Additional Author mixed material Jakarta W.H Freeman 2006 Mardiatul A. Additional Author Budiman Additional Author mixed material 20893868 Hoboken, NJ PT. Sarana Komunikasi Utama 2013 Cvr_Sain_Ind_Edisi_13._Jan_2013.JPG Mardiatul A. Additional Author Budiman Additional Author mixed material 20893868 Hoboken, NJ PT. Sarana Komunikasi Utama 2013 Cvr_Sain_Ind_Ed_71._Mei_2013.JPG Mardiatul A. Additional Author Budiman Additional Author mixed material 20893868 Hoboken, NJ PT. Sarana Komunikasi Utama 2013 CvrSain_Ind_Edisi_15._Maret_2013.JPG Mardiatul A. Additional Author Budiman Additional Author mixed material 20893868 Hoboken, NJ PT. Sarana Komunikasi Utama 2013 CvrSain_Ind_Edisi_14._Febru_2013.JPG Mardiatul A. Additional Author Budiman Additional Author mixed material 20893868 Hoboken, NJ PT. Sarana Komunikasi Utama 2013 Cvr_Ed_18._Juni_213.JPG Mardiatul A. Additional Author Budiman Additional Author mixed material 20893868 Jakarta Sarana Komunikasi Utama 2013 Cvr_Ed_19._Juli_2013.JPG Mardiatul A. Additional Author Budiman Additional Author mixed material 20893868 Jakarta PT. Sarana Komunikasi Utama 2013 CvrSain_Ind_Edisi_16._April_2013.JPG