Bhattarai, K. P., and T. N. Mandal. 2018. “Comparative Study on Litter Production and Nutrient Return to Soil in Tarai and Hill Sal (Shorea Robusta Gaertn.) Forests of Eastern Nepal”. Banko Janakari 28 (1):11-19. https://doi.org/10.3126/banko.v28i1.21450.