Soontrunnarudrungsri, A., W. Chantrapornchai, and H. Rimkeeree. “Enhancing sweetness perception with vanilla extract: Strategy for developing low-sugar food formulations for the elderly”. Agriculture and Natural Resources, vol. 57, no. 6, Dec. 2023, pp. 1033–1042, https://li01.tci-thaijo.org/index.php/anres/article/view/262184.