Dhelia Balqis Zharifa Az-Zahra, D. ., Anshori, M. A., & Mas’udia, P. E. (2023). A Geolocation Visitors to the Polinema Library using QR Code and OTP Code on Internet of Things based Smart Locker . Journal of Telecommunication Network (Jurnal Jaringan Telekomunikasi), 13(2), 162-168. https://doi.org/10.33795/jartel.v13i2.562