“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” (2023) International Journal of Environment, 12(1), pp. 61–78. doi:10.3126/ije.v12i1.52443.