Renaldi, U., Baehaqi, M. and Wachyudin, D. (2021) “Design of Device for Detecting Alcohol Content in Perfume Using the MQ-3 Sensor: Case Studies on Various Perfume Brands”, Mestro: Jurnal Teknik Mesin dan Elektro, 3(01), pp. 11–16. doi: 10.47685/mestro.v4i01.380.