Alat Pengukur Kualitas Udara sederhana dalam ruangan belajar di kampus ITS NU Kalimantan menggunakan sensor DHT11 dan sensor MQ-2. Journal of Information Technology and Internet of Things, [S. l.], v. 1, n. 1, p. 19–24, 2024. Disponível em: https://journal.itsnuka.ac.id/index.php/JITUH/article/view/6. Acesso em: 8 oct. 2025.