กันพร้อม อ. and หงษ์ไกรเลิศ ป. (2018) “THE EFFECTIVENESS OF NON-COMMISSIONED OFFICER ENTRANCE EXAMINATION FRAUD PREVENTION OF THE PROVINCIAL POLICE REGION 7, ROYAL THAI POLICE”, Ph.D. in Social Sciences Journal, 8(2), pp. 43–56. available at: https://so05.tci-thaijo.org/index.php/phdssj/article/view/92812 (accessed: 20 September 2026).