Sitorus IB, Sari DS. Analysis Of The Business Development Strategy Of The "Lamhot" Staple Food Stalls In Facing Operational Obstacles And Market Competition In Sunggal District, Deli Serdang Regency . J. Manag. Econ. Account. [Internet]. 2025 Jul. 24 [cited 2026 May 6];4(2):437-48. Available from: https://jurnalunived.com/index.php/JMEA/article/view/849