Thammasom ฐ, Wongpriaw น. AN EXPERIMENT UTILIZING ROSELLE FOR ASSESSING GROUNDWATER QUALITY IN AN ENVIRONMENTAL CHEMISTRY CONTEXT FOR GENERAL CHEMISTRY 2 STUDENTS AT LOEI RAJABHAT UNIVERSITY. Integr. Soc. Sci. J. [Internet]. 2024 Aug. 31 [cited 2026 Nov. 10];4(11):91-100. Available from: https://ojs.mbuslc.ac.th/index.php/issj/article/view/275