H. . Singkaew, C. . Chanagul, Y. . Tanam, K. . Ketnuti, and T. . Phangkham, “The Results of the Open-Ended Storytelling Activities with the R-C-A Question Techniques to enhance Problem-Solving Skills of Preschool Children”, ambj, vol. 8, no. 3, pp. 1–13, Dec. 2023.