EGODAWATTE, G. Mathematics Performance and Principal Effectiveness: A Case Study of Some Coastal Primary Schools in Sri Lanka. Alberta Journal of Educational Research, [S. l.], v. 58, n. 2, p. 169–184, 2012. DOI: 10.11575/ajer.v58i2.55585. Disponível em: https://journalhosting.ucalgary.ca/index.php/ajer/article/view/55585. Acesso em: 24 apr. 2024.