Campos-Salazar, J. M., J. L. Aguayo-Lazcano, R. Rafiezadeh, and G. García-Rojas. “Bipolar Junction Transistor Amplifiers-State-Space Modeling across Frequencies”. Journal of Electronics and Electrical Engineering, vol. 4, no. 2, July 2025, pp. 25-52, doi:10.37256/jeee.4220256767.