Supriyadi, S, R Sudaryanto, J Winarno, S Hartati, and I S Jamil. “The Quantitative Soil Quality Assessment for Tobacco Plant in Sindoro Mountainous Zone”. Journal of Degraded and Mining Lands Management 1, no. 3 (May 30, 2014): 105–110. Accessed May 22, 2024. https://www.jdmlm.ub.ac.id/index.php/jdmlm/article/view/57.