Muhammad Arfan Harahap, Sri Wahyuni, Ahmad Daud,. “Analisis Pola Konsumsi Civitas Akademika STAI Jam’iyah Mahmudiyah Tanjung Pura Langkat”. Journal Economy and Currency Study (JECS) 4, no. 2 (July 29, 2022): 110-120. Accessed November 27, 2024. https://pusdikra-publishing.com/index.php/jecs/article/view/760.