Park, Sun Eui, Ju Yeop Kim, Han Gi Park, Joo Eun Bang, Yu Hwan Shin, and Jae Hyouk Choi. “Frequency Discriminator for the Fine Dust Sensor”. Journal of Integrated Circuits and Systems 7, no. 3 (July 1, 2021). Accessed November 24, 2024. https://jicas.idec.or.kr/index.php/JICAS/article/view/61.