Waramui, Yance, Titiek Islami, and S Sudiarso. “Effects of Ameliorant and Fertilizer on the Growth and Yield of Maize Grown in Peatlands Soil of West Kalimantan Indonesia”. Journal of Degraded and Mining Lands Management 6, no. 3 (April 1, 2019): 1779–1787. Accessed May 18, 2025. https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/545.