Yuliati, Ari, Fajar Hafid Abdilah, and Eddy Samsoleh. 2020. “Designing a Lecture Room Monitor System With an Android Application Based on the Chip’s ESP8266”. ITEJ (Information Technology Engineering Journals) 5 (2), 80 - 87. https://doi.org/10.24235/itej.v5i2.43.