Siregar, Tuti Andriani, Didik Santoso, and Anni Holila Pulungan. “Improving Students™ Achievement in Reading Comprehension Through Advance Organizer Strategy”. LINGUISTIK TERAPAN 12, no. 1 (May 21, 2015). Accessed July 4, 2025. https://jurnal.unimed.ac.id/2012/index.php/LTBI/article/view/2912.