Karamoy, Lintje Theffie. “Analysis Of Nutrition Levels Of Nitrogen, Phosphore, Potassium, C-Organic And Ph In Rice Soil In Dumoga District, Bolaang Mongondow Regency”. Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal) 3, no. 2 (December 14, 2022): 338–348. Accessed January 17, 2026. https://ejournal.unsrat.ac.id/v3/index.php/samrat-agrotek/article/view/44458.