AHMAD, A. Management strategies of school principles in developing teachers’ professional competency to improve the quality of education in SMK Kesehatan Darus Salam Lhokseumawe Aceh. International journal of business, economics and management, [S. l.], v. 5, n. 3, p. 238-245, 2022. DOI: 10.21744/ijbem.v5n3.1960. Disponível em: https://sloap.org/journal/index.php/ijbem/article/view/1960. Acesso em: 28 apr. 2026.