Darmila R, Syarif H, Amri Z. Thematic Progression in Students’ Discussion Essays of Undergraduate English Education Program at Universitas Negeri Padang. IJEDS [Internet]. 28Jan.2020 [cited 10May2024];2(1):254-62. Available from: http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/253