Abdul Rahman, S. N. A., Mutalib, A., Baig, A. A., & Noor, S. H. (2019). Validation of Vis-Screen Mobile Application for Easy Vision Test by General Public: A pilot study. Environment-Behaviour Proceedings Journal, 4(12), 173–179. https://doi.org/10.21834/e-bpj.v4i12.1893