Kamagi, Yani E.B., and Joko Purbopuspito. “FULL EDITION SOIL ENVIRONMENTAL November 2021”. Soil and Environment Journal 1, no. 1 (November 30, 2021): 0–39. Accessed May 5, 2024. https://ejournal.unsrat.ac.id/v3/index.php/soilenvironmental/article/view/38852.