Meksangsouy, P., Nipithwittaya, S. and Losiri, C. (2020) “Guidelines for Fieldwork Activities in Environmental Geography: : A Case Study of the East of Thailand”, Journal of Letters, 49(1), pp. 146-161. Available at: https://so03.tci-thaijo.org/index.php/jletters/article/view/240839 (Accessed: 20September2020).