Widiasari, Cyntia, and Raja S. Agustinus Dulan Este. “Rancang Bangun Drone Quadcopter Tanpa Awak Penyiram Pupuk Tanaman”. Jurnal ELEMENTER (Elektro dan Mesin Terapan) 6, no. 2 (November 30, 2020): 81–90. Accessed July 3, 2024. https://jurnal.pcr.ac.id/index.php/elementer/article/view/4396.