Mohd Yahya, N. A., Yaacob, M. H., & Mahdi, M. A. (2021). Methane Gas Detection Using ZnO Coated on Tapered Optical Fiber. Selangor Science & Technology Review (SeSTeR), 5(2), 9-16. Retrieved from https://sester.journals.unisel.edu.my/ojs/index.php/sester/article/view/213