Karunarathne, J.M.G.M., and J.P.H.U. Jayaneththi. “Phosphorus Solubilizing Patterns of Different Phosphorus Sources in Rice Cultivation, Sri Lanka: A Case Study”. Middle European Scientific Bulletin 26 (July 27, 2022): 138-143. Accessed May 1, 2024. https://cejsr.academicjournal.io/index.php/journal/article/view/1466.