Anis Hazirah ‘Izzati Hasnu Al-Hadi, Noor Aida Syakira Ahmad Sabri, Nurlaila Ismail, Zakiah Mohd Yusoff, Ali Abd Almisreb, Saiful Nizam Tajuddin, and Mohd Nasir Taib. 2024. “Precise Classification of Five Grades Aquilaria Malaccensis Essential Oil:  Multiclass Support Vector Machine Utilizing Pattern Graphical Representation on A Two-Dimensional Graph”. International Journal of Integrated Engineering 16 (7): 221-29. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/19088.