Batara, Marco, and Vina Sari Yosephine. “Alat Pendeteksi Stok Barang Berbasis IoT Untuk UMKM Dengan Sensor Ultrasonik Dan Inframerah”. Journal of Integrated System 7, no. 1 (June 30, 2024): 63–74. Accessed July 3, 2024. https://journal.maranatha.edu/index.php/jis/article/view/8525.