Nina Fadilah, Ikhah Malikhah, Wachyuni MS, Rahmadani NP, Ramandha Ramandha. Implementation of Demand and Supply Functions Related to The Application of Mathematical Science to MSME Products in Pelawi Utara Village, Babalan, Langkat Regency. IJSME [Internet]. 2024 Sep. 12 [cited 2025 Apr. 26];1(3):01-12. Available from: https://international.arimsi.or.id/index.php/IJSME/article/view/24