Singh, Himmat, K. C., and T. C. Pokhriyal. “Distribution of Leguminous and Non-Leguminous Nitrogen Fixing Plants in Relation to Altitudinal Variations in Eastern Part of Nepal”. Indian Forester 124, no. 7 (July 1, 1998): 544–555. Accessed December 5, 2025. http://indianforester.co.in/index.php/indianforester/article/view/5076.