tobing, wildaL. “PEMBERIAN SOLID DAN KOMPOS TANDAN KOSONG KELAPA SAWIT (TKKS) TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT DI PEMBIBITAN AWAL”. Agroprimatech, vol. 2, no. 1, Dec. 2019, pp. 57-63, https://jurnal.unprimdn.ac.id/index.php/Agroprimatech/article/view/769.