Kwansud P, Compan P. Purchasing Behaviors of Online Tutoring Courses of Senior High School Students in Extra-Large Schools in Nakhon Si Thammarat Province. Sci. Tech. Soc. Sci. Proc. [Internet]. 2023Dec.20 [cited 2025Jul.18];2023(4):CiM13. Available from: https://wjst.wu.ac.th/index.php/stssp/article/view/25805