Silaban, Melanie Uly Euginia, Wiesje J. N. Kumolontang, and Joko Purbopuspito. “Soil Phosphorus and Potassium Nutrient; C-Organik; And PH at PT J Resources Bolaang Mongondow Mine Reclamation Land”. Soil and Environment Journal 2, no. 2 (November 21, 2024): 39–52. Accessed December 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/soilenvironmental/article/view/58991.