Purwanti, Eko, Ghani Rifqi Adli, Endro Dwi Hatmanto, and Noor Qomaria Agustina. “Peer Tutoring in EFL Higher Education: Exploring students’ Learning through the Lens of Vygotsky’s Zone of Proximal Development”. Teaching English as a Foreign Language Journal 5, no. 1 (May 8, 2026): 49–65. Accessed May 9, 2026. http://journal1.uad.ac.id/index.php/tefl/article/view/2106.