Kiwan, Kiwan, and Rahmat Hidayat. “Implementation of a Gas Sensor to Detect Freshness of Meat Using the Neural Network Method”. Jurnal Ilmiah Wahana Pendidikan 10, no. 2 (January 11, 2024): 539-545. Accessed October 4, 2025. https://www.jurnal.peneliti.net/index.php/JIWP/article/view/6105.