Dafun Jr., P.B., Nurhasan, N., Muhammad, H.N. , Padmasari, D.F. and Ayubi, N. 2024. An Investigation of the Flipped Learning Method to Physical Education Classes in the University: Systematic Review. Retos. 52, (Mar. 2024), 384–389. DOI:https://doi.org/10.47197/retos.v52.102148.