Nonik Silvia Agustin, et al. “Microcontroller-Based Bird Pest Repellent in Rice Plants: Rancang Bangun Alat Pengusir Hama Burung Pada Tanaman Padi Berbasis Mikrokontroler”. Procedia of Engineering and Life Science, vol. 1, no. 1, Mar. 2021, doi:10.21070/pels.v1i1.762.