Pardomuan Manullang, Kristina Juniar Saragih, Ridwan Junaedi Tinambunan, Edward Coco Pardede, and Alex Bob. “Analyst of Education Quality Improvement in Humbang Hasundutan Regency through the School Literacy Movement”. Jurnal Multidisiplin Sahombu 5, no. 08 (December 29, 2025): 2916–2929. Accessed August 27, 2026. https://ejournal.seaninstitute.or.id/index.php/JMS/article/view/7890.