WAKWOYA, F. Effects of School Based Supervision on Teachers’ Teaching Effectiveness in Secondary Schools of Horro Guduru Wallaga Zone, Ethiopia. Journal of Science, Technology and Arts Research, [S. l.], v. 10, n. 2, p. 53–67, 2021. DOI: 10.20372/star.v10i2.05. Disponível em: https://journals.wgu.edu.et/index.php/star/article/view/798. Acesso em: 23 sep. 2024.