K. Saenrak, S. Jaradrawiwat, P. . Paksripeang, and W. . Nawises, “Effects of cooperative learning student teams achievement division technique (STAD) with flipped classroom on learning achievement and geo-literacy of mathayomsuksa 1 students”, HRD. J., vol. 13, no. 2, pp. 56–69, Jan. 2023.