S. N. Shukla, S. Shamroz Arshad, Pratima Soni, and G. Srivastava. “Small Signal Amplifier With P-Type Sziklai Pair”. Journal of International Academy of Physical Sciences, vol. 24, no. 3, Sept. 2020, pp. 333-46, https://www.iaps.org.in/journal/index.php/journaliaps/article/view/31.