Boonyakarn, Montakarn, Sukanya Keawsa-ard, and Piranchana Phanusan. “PRODUCT DEVELOPMENT OF LONGAN-ROSELLE JAM”. Life Sciences and Environment Journal 21, no. 1 (May 8, 2020): 43-54. Accessed December 9, 2021. https://ph01.tci-thaijo.org/index.php/psru/article/view/225170.