Martono, A., A. Yulianjani, and D. Desrianti. “Online Exam System to Improve Student Learning Quality in State Vocational School 5 Tangerang City”. CCIT (Creative Communication and Innovative Technology) Journal, Vol. 13, no. 1, Feb. 2020, pp. 65-74, doi:https://doi.org/10.33050/ccit.v13i1.895.