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), [S. l.], v. 4, n. 2, p. 110–120, 2022. DOI: 10.51178/jecs.v4i2.760. Disponível em: https://pusdikra-publishing.com/index.php/jecs/article/view/760. Acesso em: 11 sep. 2025.