NADIATULHUDA ZULKIFLI; NOR HAFIZAH NGAJIKIN. An Undergraduate Guide to Analog and Digital Communication Principles. [s.l.] : Penerbit UTHM,2025. Disponível em: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/538. Acesso em: 26 aug. 2026.