Sathitthammaphon, Thipphayaphan, Mahatana Poolgesorn, Puritat Kanokkangsadal, Nichamon Mukkasombut, Kanta Pranweerapaiboon, and Intad Sriprasert. 2025. “Antibacterial Activity of Mitragyna Speciosa Korth. Extract on Streptococcus mutans”. Khon Kaen University Dental Journal 28 (3):84-94. https://he01.tci-thaijo.org/index.php/KDJ/article/view/277996.