Vachlepi, Afrizal, and Didin Suwardin. “PENGERINGAN KARET REMAH BERBASIS SUMBER ENERGI BIOMASSA”. Warta Perkaretan 33, no. 2 (October 6, 2014): 103–112. Accessed July 3, 2024. https://ejournal.puslitkaret.co.id/index.php/wartaperkaretan/article/view/55.