N. Songsom, P. Nilsook, P. Wannapiroon, L. Chun Che Fung, and K. W. Wong, “System Architecture of a Student Relationship Management System using Internet of Things to collect Digital Footprint of Higher Education Institutions”, Int. J. Emerg. Technol. Learn., vol. 14, no. 23, pp. pp. 125–140, Dec. 2019.