1.
Anis Hazirah ‘Izzati Hasnu Al-Hadi, Noor Aida Syakira Ahmad Sabri, Ismail N, et al. Precise Classification of Five Grades Aquilaria Malaccensis Essential Oil:  Multiclass Support Vector Machine Utilizing Pattern Graphical Representation on A Two-Dimensional Graph. IJIE. 2024;16(7):221-229. Accessed April 8, 2026. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/19088