Duangjai, K. (2019) “APPLICATION OF CHEMISTRY TO CONSTRAIN TYPE OF PROTOLITHS AND METAMORPHISM CONDITIONS OF THE HOST ROCKS OF FLUORITE MINE AT KHAO CHONG INSI, KANCHANABURI PROVINCE, THAILAND”, Research Journal Phranakhon Rajabhat : Science and Technology, 15(2), pp. 63–75. available at: https://li01.tci-thaijo.org/index.php/PRRJ_Scitech/article/view/193029 (accessed: 10 September 2026).