setiawan, hery teguh, Muhammad Suwardi Surya Abdi, and Mas Khori Mustaqin. 2026. “Implementation of the MQ-135 Sensor for Early Detection of Oil Spills in the Waters of Pertamina Port Ampenan”. Protek : Jurnal Ilmiah Teknik Elektro 13 (2):116-19. https://doi.org/10.33387/protk.v13i2.10673.