Gorung, Angely S., Jenny J. Rondonuwu, and Tilda Titah. “Soil Chemical Fertility In Garden Palma Instrument Standard Testing Center In Mapanget Sub-District Minahasa Utara District”. Soil and Environment Journal 2, no. 1 (November 19, 2024): 26–31. Accessed November 20, 2024. https://ejournal.unsrat.ac.id/v3/index.php/soilenvironmental/article/view/58867.