Arwinsyah, Diki. “The Urgency of Education As a Human Investment in Improving the Quality of Education at SMP Negeri 8 Langsa City”. At-Tafkir 16, no. 1 (May 30, 2023): 43-54. Accessed April 21, 2026. https://dev-journal.iainlangsa.ac.id/index.php/at/article/view/5979.