Muhammad Arfan Harahap, Sri Wahyuni, A.D. 2022. Analisis Pola Konsumsi Civitas Akademika STAI Jam’iyah Mahmudiyah Tanjung Pura Langkat. Journal Economy and Currency Study (JECS). 4, 2 (Jul. 2022), 110-120. DOI:https://doi.org/10.51178/jecs.v4i2.760.