“Rancang Bangun Sistem Penyiraman Tanaman Tomat Menggunakan Modul SIM 800L Berbasis Arduino Uno” (2023) JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC), 1(2), pp. 45–53. Available at: https://journal.unram.ac.id/index.php/jeitech/article/view/3527 (Accessed: 10 October 2025).