Rosli NA, Karthigesu Nagarajoo, Beant Singh Devinder Singh. Simulation of N+2 Logic for Amplifier in Railway Public Address System. peat [Internet]. 2022 Dec. 19 [cited 2026 Apr. 8];3(2):841–848. Available from: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/8075