TASHA RAYMOND; DR. NJOUNY EMMANUEL. Principals’ Supervisory Skill and Teachers’ Effectiveness In Public Secondary Schools In The South West Region Of Cameroon. The American Journal of Social Science and Education Innovations, [S. l.], v. 8, n. 07, p. 68–83, 2026. DOI: 10.37547/tajssei/Volume08Issue07-06. Disponível em: https://www.theamericanjournals.com/index.php/tajssei/article/view/8275. Acesso em: 16 aug. 2026.