Nadiatulhuda Zulkifli, Nor Hafizah Ngajikin. An Undergraduate Guide to Analog and Digital Communication Principles [Internet]. Penerbit UTHM; 2025 [cited 2026 Apr. 9]. Available from: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/538