ABBAS, G.; KHAN, M. N. Giving Concept of an Analog Notch Filter for Removing Interference from Engineering Systems to Engineering Students. Pakistan Journal of Engineering and Technology, [S. l.], v. 2, n. 2, p. 1–5, 2019. DOI: 10.51846/vol2iss2pp1-5. Disponível em: https://journals.uol.edu.pk/pakjet/article/view/114. Acesso em: 5 jul. 2025.