Gyeltshen, Lotay, and Tshering Ngendup. “Comparative Study on Properties of Bitumen Hot Mix and Bitumen Emulsion Mix”. Zorig Melong | A Technical Journal of Science, Engineering and Technology 2, no. 1 (June 15, 2015): 1–6. Accessed June 30, 2025. http://103.133.216.217/index.php/zm/article/view/81.