Gustian, K., I. Hermagustiana, and D. Sunggingwati. “Exploring The Teacher Agency Regarding to The Implementation of Flipped-Differentiated Learning in The Context of EFL Learners”. Journal on Education, Vol. 6, no. 1, Sept. 2023, pp. 8181-99, doi:10.31004/joe.v6i1.4239.