ไกรสัย ภ. “Self-Directed Learning Readiness As Perceived of Nursing Students at Pathumthani University: A Comparative Needs Assessment”. Journal of The Royal Thai Army Nurses, vol. 20, no. 3, Dec. 2019, pp. 296-04, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/204785.