AVWOTUJEVWE, Mioboghene Vivian. The Impact of Head Teachers’ Characteristics on Primary School Effectiveness in Delta Central Senatorial District. Direct Research Journal of Education and Vocational Studies, [S. l.], v. 6, n. 2, p. 81–87, 2024. Disponível em: https://journals.directresearchpublisher.org/index.php/drjevs/article/view/413. Acesso em: 3 aug. 2026.