Anuli, Yahya Yunus, et al. “EFFECTIVE LEADERSHIP IN SECONDARY SCHOOL EDUCATION MANAGEMENT: A TEACHER’S PERSPECTIVE IN GORONTALO”. Tadbir: Jurnal Manajemen Pendidikan Islam, vol. 11, no. 2, Aug. 2023, pp. 234-56, doi:10.30603/tjmpi.v11i2.6979.