Santoso, Bambang B., and Bambang S. Purwoko. “Pertumbuhan Bibit Tanaman Jarak Pagar (Jatropha Curcas L.) Pada Berbagai Kedalaman Dan Posisi Tanam Benih”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 36, no. 1 (April 30, 2008). Accessed July 28, 2026. https://journal.ipb.ac.id/jurnalagronomi/article/view/1357.