Refalista A, Irawati R, Irawan I, Wisjhnuadji TW. Pengunaan Sensor MQ-2,4,7,135 dan ESP32 Untuk Air Pollution Monitoring Berbasis Internet of Things. Ticom [Internet]. 2023 Sep. 30 [cited 2025 Jan. 8];12(1):31-6. Available from: https://jurnal-ticom.jakarta.aptikom.org/index.php/Ticom/article/view/104