[1]
T. V. Hin and N. I. Ramli, “Design and Development of a Non-volatile Counter for Metered Dose Inhaler (MDI)”, IJIE, vol. 10, no. 3, Jul. 2018, Accessed: Apr. 12, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/2103