Agartsupa, P., T. Chindanurak, and D. Suwanjinda. “The The Effects of Blended Learning Management in Earth Science on Learning Achievement and Digital Skills of Grade 4 Students at Ekamai International School”. Human Behavior, Development and Society, vol. 26, no. 1, Apr. 2025, pp. 131-42, doi:10.62370/hbds.v26i1.278548.