Paglinawan, A. C., F. R. Cruz, C. Paglinawan, M. O. Arreza, L. A. Budomo, L. M. Pinlac, C. S. Juan, W. Y. Chung, and Z. Sauli. “Full Custom Rail-to-Rail Self-Calibrating Comparator for Low Voltage Successive Approximation Register Analog-to-Digital Converter”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 1-14, May 2018, pp. 41-45, https://jtec.utem.edu.my/jtec/article/view/3989.