Abdullah, Mohamad Syarief, et al. “Systematic Literature Review on the Effectiveness of Multimedia in Flipped Learning Classrooms”. Jurnal JTIK (Jurnal Teknologi Informasi Dan Komunikasi), vol. 9, no. 4, Oct. 2025, pp. 1343-56, https://doi.org/10.35870/jtik.v9i4.4111.