Kok Yeow You, Yi Song Ng Derek, Chia Yew Lee, Zulkify Abbas, Ee Meng Cheng, Yeng Seng Lee and Kim Yee Lee 2020. Low-Cost Vector Network Analyzer for Communication Devices Testing - Brief Review. International Journal of Advances in Microwave Technology. 2, 1 (Oct. 2020), 93-97.