CHANHTHAHONG, K., SYSOUPHANH, S., LITTHAVONG, S., PATHOUMVANH, P., & INVANHKHAM, M. (2023). The Development of Using Lao Language for Communication of Teacher in Phonethong District, Luangprabang Province Academic year 2020 - 2021: https://doi.org/10.69692/SUJMRD0901168. Souphanouvong University Journal Multidisciplinary Research and Development, 9(1), 169–179. Retrieved from http://www.su-journal.com/index.php/su/article/view/339