F. Mohamed, T. S. Wei, and N. Mohd Noor, “Observing and Sketching Skills in Plant Anatomy Practical Class”, J. Sci. Math. Lett., vol. 3, no. 2, pp. 66–74, Jan. 2019, Accessed: May 03, 2025. [Online]. Available: https://ejournal.upsi.edu.my/index.php/JSML/article/view/446