Gurut, Worldey, Herman Wahid, Dirman Hanafi Burhanuddin, and Elmy Johana Mohamad. “Design of IoT Based Air Quality Monitoring Device With Optimal Solar-Based Power Source: Worldey Gurut, Herman Wahid*, Dirman Hanafi Burhanuddin, Elmy Johana Mohamad”. Journal of Tomography System and Sensor Application 4, no. 2 (November 22, 2021): 21–31. Accessed December 22, 2024. http://tssa.my/index.php/jtssa/article/view/164.