Madhu G, R K Manjunath, and Dr. H V Kumaraswamy. “DESIGN OF DUPLEXER USING MICROSTRIP FILTERS FOR LOW POWER GSM APPLICATIONS”. International Journal of Advance Engineering and Research Development (IJAERD) 2, no. 4 (April 25, 2015): 601–608. Accessed July 8, 2025. https://ijaerd.org/index.php/IJAERD/article/view/720.