Wangmo, Kinzang, Thinley Wangmo, Ugyen Sonam, Dechen Lhamo, and Kazuhiro Muramatsu. 2017. “Snow Depth Measurement Using Ultrasonic Sensor”. Zorig Melong | A Technical Journal of Science, Engineering and Technology 3 (1): 25-30. https://doi.org/10.17102/zmv3.i1.004.