MAULANA, H.; CHAMIM, A. N. N.; PURWANTO, K.; SYAHPUTRA, R.; PRASETYO, T. I. Design of Backpack Sprayer with Electrical Pumping System Using Quality Function Development Approach to Optimize the Agricultural Facility. Journal of Electrical Technology UMY, [S. l.], v. 2, n. 4, p. 121–126, 2018. DOI: 10.18196/jet.2442. Disponível em: https://journal.umy.ac.id/index.php/jet/article/view/8042. Acesso em: 11 sep. 2025.