Sazali, M. A. I., et al. “Design and Implementation of a Portable Smart Oscilloscope With Android Interface for Lab Applications”. Politeknik & Kolej Komuniti Journal of Social Sciences and Humanities, vol. 10, no. 2, Nov. 2025, pp. 69-81, https://app.mypolycc.edu.my/journal/PMJSSH/article/view/857.