Blon, W., T. Dendup, C. Dorji, and Wangdi. “Diversity of Aquatic Beetles (Dytiscidae) Along the Altitudinal Gradient and Its Relationship With Physico-Chemical Parameters of Water at Tashiding, Tsendagang and Gozhi Gewogs, Dagana, Bhutan”. International Journal of Environment, vol. 12, no. 1, Feb. 2023, pp. 61-78, doi:10.3126/ije.v12i1.52443.