Sigalingging, Angelica, Cellion Lydia Sitorus, Rani Nuldiva Situmorang, and Tiur Malasari Siregar. “Hubungan Matematika Dan Ekonomi Dalam Berbagai Penelitian: Analisis Deskriptif Kualitatif”. Journal of Citizen Research and Development 3, no. 1 (May 27, 2026): 115–129. Accessed June 3, 2026. https://rayyanjurnal.com/index.php/jcrd/article/view/8230.