Tam, Yi Qian, Anis Nur Shasha Abdul Halim, Aemi Syazwani Abdul Keyon, and Nur Safwati Mohd Nor. 2024. “Development of an Arduino-Based Photometer for Reactive Red 120 Dye Detection COVID-19”. Asean Journal of Engineering Education 8 (2):90-96. https://doi.org/10.11113/ajee2024.8n2.161.