A. T. V. Concepcion, “Smart Queuing and Appointment Management System for Client Services in Bulacan State University Bustos Campus”, Int. J. Multidiscip. Appl. Bus. Edu. Res., vol. 7, no. 1, pp. 5–14, Jan. 2026, doi: 10.11594/ijmaber.07.01.02.