Sari, Nofrika. “INSTRUCTIONAL ENGLISH READING MATERIALS USED BY TEACHER AT GRADE X SMKN I PANGKALAN KOTO BARU 50 KOTA REGENCY”. Jurnal Educative: Journal of Educational Studies 1, no. 1 (June 21, 2016): 61–71. Accessed October 27, 2025. https://ejournal.uinbukittinggi.ac.id/index.php/educative/article/view/124.