1. M. Shehbaz, M. B. Ihsan, A. Chaudhary, I. u. H. Shah and H. Ahmad, "Performance comparison of λg/2 and ring resonator based oscillators," Proceedings of 2014 11th International Bhurban Conference on Applied Sciences & Technology (IBCAST) Islamabad, Pakistan, 14th - 18th January, 2014, Islamabad, 2014, pp. 482-487.
2. A. A. Chaudhry, J. K. Arif, Z. Ahmed, M. A. Chaudhary and M. B. Ihsan, "Parameter extraction of composite right / left handed (CRLH) transmission line unit cell using off resonance method," 2017 14th International Bhurban Conference on Applied Sciences and Technology (IBCAST), Islamabad, 2017, pp. 779-781.