Saragih, Rista Damesari, Lince Sihombing, and Eddi Setia. “The Effect of Instructional Approaches and Learning Styles on Students™ Achievement of Grammar”. LINGUISTIK TERAPAN 11, no. 1 (May 20, 2014). Accessed August 16, 2025. https://jurnal.unimed.ac.id/2012/index.php/LTBI/article/view/2676.