Purwaningrum, A.Y., Margana, M. and Setyo Putro, N.H.P. 2025. Enquiry towards Middle-School Teachers about Differentiated English Instruction in a Big Classroom. AsTEN Journal of Teacher Education. 9, 1 (Jun. 2025). DOI:https://doi.org/10.56278/asten.v9i1.3062.