Wati EK, Hidayanti F, Azman N. DESIGN OF THE POLLUTION GAS CARBON MONOXIDE (CO) MONITORING SYSTEM BASED ON MICROCONTROLLER. SPEKTRA [Internet]. 2020 Apr. 30 [cited 2024 Nov. 24];5(1):1-10. Available from: https://journal.unj.ac.id/unj/index.php/spektra/article/view/14779