SAN THIRI AUNG; KAYTHI WUT MHONE KHIN; THAE SU LWIN. Two-Stage BJT Amplifier with Negative Voltage Series Feedback Analysis Program Proteus 8. I. J. of Advances in Scientific Research and Engineering-IJASRE (ISSN: 2454 - 8006), v. 6, n. 5, p. 96-100, 17 May 2020.