กลั่นกลิ่น อ, อูปป้อ ว. Grounded Theory Study in Nursing Research. Nursing Journal CMU [internet]. 2019 Dec. 27 [cited 2026 Sep. 19];46:116-27. available from: https://he02.tci-thaijo.org/index.php/cmunursing/article/view/232568