Dhungyel, Parshu Ram, and Manoj Chhetri. “Bhutanese Currency Recognition Using Convolutional Neural Network”. Zorig Melong | A Technical Journal of Science, Engineering and Technology 8, no. 1 (June 20, 2025): 61–67. Accessed June 29, 2025. http://103.133.216.217/index.php/zm/article/view/129.