KARTAWIGUNA, D. Pemrograman Antarmuka Modem GSM dengan Pengendali Mikro AVR Menggunakan Bahasa C. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 2, n. 2, p. 662-667, 2011. DOI: 10.21512/comtech.v2i2.2815. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2815. Acesso em: 28 mar. 2025.