Ghimire, K. C., and D. R. Bhusal. “Diversity of Bumblebees (Bombini, Apidae: Hymenoptera) in Chitwan Annapurna Landscape (CHAL) of Central Himalaya, Nepal”. BMC Journal of Scientific Research, vol. 5, no. 1, Dec. 2022, pp. 85-96, doi:10.3126/bmcjsr.v5i1.50678.