OKOTH, Ursulla Achieng. Head Teachers’ Characteristics and Instructional Leadership in Curriculum Implementation in Secondary Schools, Siaya County, Kenya. European Scientific Journal, ESJ, [S. l.], v. 14, n. 19, p. 75, 2018. DOI: 10.19044/esj.2018.v14n19p75. Disponível em: https://test.eujournal.org/index.php/esj/article/view/11072. Acesso em: 19 apr. 2025.