Pa-alan, Renee B., and Angelita B. Cadeliña. “Soil Nutrients From Different Successional Stages in Lake Balinsasayao”. Silliman Journal 35, no. 1-4 (June 20, 2024). Accessed April 3, 2025. https://sillimanjournal.su.edu.ph/index.php/sj/article/view/512.