Asri Angel Natalia Aruan and Tri Harsono 2025. Differences in Learning Outcomes between the Team Games Tournament (TGT) Learning Model and the Student Teams Achievement Division (STAD) Model Assisted by Flippity in Ecosystem Material. Journal of Teacher Training and Education. 12, 2 (Oct. 2025). DOI:https://doi.org/10.36588/kxv67s11.