Agustina, Nani, Samsul Amri, and Agus Mustajib. “THE STUDENTS’ PERCEPTION ON THE IMPLEMENTATION OF ENGLISH DAYS ACTIVITY AT ENGLISH STUDY PROGRAM ISLAMIC UNIVERSITY OF INDRAGIRI”. J-Shelves of Indragiri (JSI) 4, no. 2 (November 30, 2022): 63–76. Accessed April 29, 2025. https://ejournal-fkip.unisi.ac.id/shelves/article/view/2498.