Syukri, Muhamad, and Riki Mukhaiyar. “Alat Pendeteksi Formalin Pada Makanan Menggunakan IoT”. Ranah Research : Journal of Multidisciplinary Research and Development 3, no. 2 (February 9, 2021): 80-87. Accessed May 5, 2024. https://jurnal.ranahresearch.com/index.php/R2J/article/view/374.