LILIANOU, L., SILIVANH, S., PHONESAY, L., PATOU, B.L., OUNLATHOUMMASA, T. and SENGTHAVIDTH, S. 2021. A Study of Appropriate Tuition Collection Standards of National University of Laos (NOUL). Souphanouvong University Journal Multidisciplinary Research and Development . 7, 2 (Dec. 2021), 43–55.