Pardede M, Hutajulu E, Sirait R. Laboratory Room Control Access and Monitoring System Using Fingerprint and XBee Pro S2C. Mantik [Internet]. 2020Nov.1 [cited 2026Jul.26];4(3):1921-8. Available from: https://www.ejournal.iocscience.org/index.php/mantik/article/view/1035