You are about to send the following abstract:
Garcia, E., Rivera, H., Ponder, N., Kuo, R. & Zheng, J. (2017). Efficient and Cost-effective Class Attendance Management with a Smartphone-based System. In P. Resta & S. Smith (Eds.), Proceedings of Society for Information Technology & Teacher Education International Conference (pp. 965-972). Austin, TX, United States: Association for the Advancement of Computing in Education (AACE).