Nur Kholifah, Azzahra, Niken Pawestri, and Maisari Utami. “Determination of Available Phosphorus in Soil Samples Using Olsen & Bray I Method”. INDONESIAN JOURNAL OF CHEMICAL RESEARCH 10, no. 2 (December 30, 2025). Accessed February 11, 2026. https://journal.uii.ac.id/chemical/article/view/45134.