Thrithron, C., and N. Khota. “A Study of Learning Achievement and Teamwork in the ‘Sufficiency Economy’ Learning Unit of Grade 4 Students Using the Cooperative Learning Management Technique: Teams-Games-Tournament (TGT)”. Interdisciplinary Academic and Research Journal, vol. 6, no. 5, Sept. 2026, p. e295535 , doi:10.60027/iarj.2026.e295535.