Mohd Norfaizal Ghazalli, Muhammad Shafie Md Sah, Mazidah Mat, Khadijah Awang, Mohd Azwan Jaafar, Razali Mirad, Ahmad Zaki Zaini, Anuar Rasyidi Mohd Nordin, Nurshahidah Mohd Rusli, Siti Sofiah Mohamad, & Ahmad Syahman, M.D. (2021). Leaf Anatomy and Micromorphology Characteristics of Ketum [Mitragyna speciosa (Korth.) Havil.] (Rubiaceae). Tropical Life Sciences Research, 32(1), 107–117. https://doi.org/10.21315/tlsr2021.32.1.7