Asri Angel Natalia Aruan dan 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. Jurnal Keguruan dan Ilmu Pendidikan. 12, 2 (Okt 2025). DOI:https://doi.org/10.36588/kxv67s11.