[1]
F. Muharom, A. Nugroho, H. R. Putra P, and G. A. Nanda, “A WhatsApp-based Flipped Classroom Model: Effect on Students’ Higher Order Thinking Skill”, td, vol. 27, no. 1, pp. 41–51, Oct. 2022, doi: 10.19109/td.v27i1.13664.