ศรีหริ่ง เ. and แสงชัย น. 2019. Factors Affecting Primary Student and Parents’ Decision Making For Choosing English Tutorial Institutes In Ban Phai District, Khon Kaen Province. PAYAP UNIVERSITY JOURNAL. 28, 2 (Jan. 2019), 117–128. DOI:https://doi.org/10.14456/pyuj.2018.25.