D. Gowda, P. Dharme, S. Todkar, C. Desai, T. Patil, and S. Khot, “A Review on the Methods of Speed Control of Brushless D.C. Motor - A Comparative Study”, IJRESM, vol. 3, no. 9, pp. 83–85, Sep. 2020, doi: 10.47607/ijresm.2020.293.