Wadthaisong P, Kaewurai W. The Development of Learning Activities on Phenomenon-Based Learning Combined with Science Games To Environmental Literacy For Grade 6 Students. JBER [internet]. 2025 Oct. 1 [cited 2026 Aug. 28];11(4):206-19. available from: https://so06.tci-thaijo.org/index.php/jber/article/view/284628