Susana, K. Y., & Wahyu Brahma, A. A. G. R. (2021). The Effectiveness of Flipped Learning During the Pandemic to Improve the Writing Competence of STMIK STIKOM Indonesia Students. RETORIKA: Jurnal Ilmu Bahasa, 7(1), 75-84. https://doi.org/10.22225/jr.7.1.2883.75-84