Vergara-Pareja , C. M., Nielsen-Niño, J. B., & Niño-Vega, J. A. (2021). Gamification and strengthening oral skills in English for childhood. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Vergara-Pareja , Claudia Marcela, Jaddy Brigitte Nielsen-Niño, i Jorge Armando Niño-Vega. Gamification and Strengthening Oral Skills in English for Childhood. Universidad Pedagógica y Tecnológica de Colombia, 2021.
MLA način citiranja (9. izdanje)Vergara-Pareja , Claudia Marcela, et al. Gamification and Strengthening Oral Skills in English for Childhood. Universidad Pedagógica y Tecnológica de Colombia, 2021.
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