iqwan, A., and S. A. A. , S.Kom., M.SI. “RANCANG BANGUN SISTEM INFORMASI PENGHITUNG PENGUNJUNG OTOMATIS BERBASIS INTERNET OF THINGS”. Computer and Science Industrial Engineering (COMASIE), vol. 5, no. 6, July 2021, pp. 10-18, https://forum.upbatam.ac.id/index.php/comasiejournal/article/view/4037.