Wati, E. K., Hidayanti, F. and Azman, N. (2020) “DESIGN OF THE POLLUTION GAS CARBON MONOXIDE (CO) MONITORING SYSTEM BASED ON MICROCONTROLLER”, Spektra: Jurnal Fisika dan Aplikasinya, 5(1), pp. 1 - 10. doi: 10.21009/SPEKTRA.051.01.