Gnyawali, Bishal, Umesh Kumar Mandal, and Ishwor Aryal. “Soil Fertility Assessment of Sainamaina Municipality, Rupandehi, Nepal”. The Geographic Base 7 (December 31, 2020): 43–53. Accessed December 7, 2025. https://nepjol.info/index.php/tgb/article/view/34268.