Senanayake, Nanda, MTMDR Perera, and A Weragoda. “Amelioration of Acid Sulphate Soils in Nilwala River Basin : Amelioration of Acid Sulphate Soils”. SAARC Journal of Agriculture 20, no. 2 (December 29, 2022): 211–221. Accessed July 17, 2024. https://banglajol.info/index.php/SJA/article/view/63582.