พิศาลสินธุ์ อ. and ตระกูลมุทุตา จ. (2017) “Factors Affecting Sustained Volunteerism: Case Study of Songkhla Province Red Cross Chapter and Red Cross Subchapters’ Volunteers”, JOURNAL OF SOUTHERN TECHNOLOGY, 10(2), pp. 43–47. available at: https://so04.tci-thaijo.org/index.php/journal_sct/article/view/104629 (accessed: 28 September 2026).