Tshering, D., Dawala, D. and Dorji, T. (2016) “GSM BASED ELECTRONIC NOTICE BOARD”, Zorig Melong- A Technical Journal of Science, Engineering and Technology, 3(1), pp. 1–4. Available at: https://journal.cst.edu.bt/index.php/zm/article/view/4 (Accessed: 8 September 2024).