N. A. A. Nor Muhammad, R. Yusof, R. Arfa, R. Yunus, and N. Ismail, “Esophagus Detection for Halal Classification in SYCUT”, ijie, vol. 11, no. 4, Sep. 2019, Accessed: May 17, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/4196