HUSSIN, Siti Farah; BIRASAMY, Gauri; HAMID, Zunainah. Design of Butterworth Band-Pass Filter. Politeknik & Kolej Komuniti Journal of Engineering and Technology, Putrajaya, Malaysia, v. 1, n. 1, p. 32–46, 2016. Disponível em: https://app.mypolycc.edu.my/journal/PMJET/article/view/585. Acesso em: 6 sep. 2025.