Insan, I. M., P. Sukarno, and R. Yasirandi. “Multi-Factor Authentication Using a Smart Card and Fingerprint (Case Study: Parking Gate)”. Indonesia Journal on Computing (Indo-JC), Vol. 4, no. 2, Sept. 2019, pp. 55-66, doi:10.34818/INDOJC.2019.4.2.309.