Chuchaimongcol, Usana, and Srifa Jangsakul. 2021. “Factors Affecting Saving of Members of In Buri Hospital Saving Cooperative Limited, Sing Buri Province”. Vocational Education Central Region Journal 5 (1), 34-42. https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/248936.