Mat Rusni, I., R. Behrafi, J. Abdul Rahman, and S. Muhamad. “Chemical Sensor Development Using Planar Interdigitated Electrode”. Selangor Science & Technology Review (SeSTeR), Vol. 5, no. 2, Mar. 2021, pp. 1-8, https://sester.journals.unisel.edu.my/ojs/index.php/sester/article/view/212.