Muckharom, Ahmad Ali, et al. “GO-KNO3 Fertilizer: Slow Release Fertilizer Innovation from Coconut Shell Waste As a Solution to Indonesian Food Security”. Journal of Agrosociology and Sustainability, vol. 2, no. 2, Jan. 2025, pp. 113-29, doi:10.61511/jassu.v2i2.2025.1322.