Yulianti, N. F., A. Munawir, and N. K. Adji. “Validity of Electronic Device-Based Application for Visual Acuity Examination: A Systematic Review: A Systematic Review”. Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics, Vol. 4, no. 1, Feb. 2022, pp. 41-47, doi:10.35882/ijeeemi.v4i1.7.