M.A. Imran. “Utilization Of Various Natural Acids On Phosphorus Dissolvability From Rock Phosphate”. The American Journal of Horticulture and Floriculture Research 3, no. 11 (November 20, 2021): 5–7. Accessed August 2, 2025. https://theamericanjournals.com/index.php/tajhfr/article/view/2190.