Sigit, Diana Vivanti, Chesia Saranata Simanullang, and Daniar Setyo Rini. 2024. “Flipped learning’s Impact on Junior High students’ Critical Thinking in Ecology Topic: English”. Research and Development in Education (RaDEn) 4 (2):1520-28. https://doi.org/10.22219/raden.v4i2.35438.