Adoe VS. The Role of Core Competencies in Enhancing Operational Efficiency in Micro, Small, and Medium Enterprises (MSMEs) in Indonesia. Mgmt. bus. [Internet]. 2025 Sep. 30 [cited 2026 Mar. 25];4(01):185 – 194. Available from: https://esj.eastasouth-institute.com/index.php/esmb/article/view/754