Edwin, Tivany, Puti Sri Komala, Mas Mera, Zulkarnaini Zulkarnaini, and Zadariana Jamil. “Coconut Shell Biochar As a Sustainable Approach for Nutrient Removal from Agricultural Wastewater”. Journal of Water and Land Development 65, no. 65 (June 30, 2025): 177–184. Accessed October 20, 2026. https://wydawnictwo.pan.pl/index.php/jwld/article/view/5035.