Nora Fasihah Omar Ali, Muhd Nur Firdaus Dolhan, Liyana Husnaa Azmi, Rafiza Abdul Razak, Chee Ken Nee 2021. Design and Development of Room Limit Counter for The Use of Social -Physical Distancing. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 12, 14 (Aug. 2021), 1123–1137. DOI:https://doi.org/10.17762/turcomat.v12i14.10398.