CHACHULI, S. A. M.; YING, W. H.; SHAMSUDIN, N. H.; COBAN, O. Real-time Monitoring of Carbon Dioxide with IoT ThingSpeak using TiO2 Thick Film Gas Sensor. Journal of Engineering and Technological Sciences, [S. l.], v. 56, n. 5, p. 593–602, 2024. DOI: 10.5614/j.eng.technol.sci.2024.56.5.4. Disponível em: https://jets.itb.ac.id/jets/article/view/435. Acesso em: 16 oct. 2025.