Ho, R.C.C.L., Zulkipli, M. and Shaari, M.F. (2021) “Design of a Low Cost Coin Acceptor for Vending Machine”, Progress in Engineering Application and Technology, 2(1), pp. 743–752. Available at: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/839 (Accessed: 17 August 2024).