Rifa’i, Bahtiar Adip, Waluyo Waluyo, and Rachmad Saptono. “Rancang Bangun Sistem Deteksi Lingkungan Kerja Industri Berbasis GSM ”. Journal of Telecommunication Network (Jurnal Jaringan Telekomunikasi) 11, no. 2 (June 28, 2021): 55-60. Accessed May 5, 2024. https://jartel.polinema.ac.id/index.php/jartel/article/view/45.