Afriani, Dina, Dirja Nur Ilham, Khairuman, Mohammed Saad Talib, and Muhammad Khoiruddin Harahap. 2022. “Internet of Things Based Automatic Visitor Counter”. International Journal of Multidisciplinary Sciences and Arts 1 (1):35-40. https://doi.org/10.47709/ijmdsa.v1i1.1615.