. H. Dangoje, A. Sanda, I. U. Ayuba, and M. Jatau, “Design and Construction of 30.25 Watts Audio Power Amplifier”, NJP, vol. 32, no. 3, pp. 39–44, Nov. 2023, Accessed: Jul. 03, 2025. [Online]. Available: https://njp.nipngr.org/index.php/njp/article/view/145