Hutagalung NA. Development of an Absence System using IoT Technology Based on Radio Frequency Identification (RFID). j. of artif. intell. and eng. appl. [Internet]. 2026 Feb. 26 [cited 2026 Apr. 17];5(2):3460-5. Available from: https://www.ioinformatic.org/index.php/JAIEA/article/view/2199