ONYEKA, Onyiorah, Blessing; IKPEAMA, Frednora Uchenna; CHARITY, Emeasoba, Nneka; MANASSEH, Omeonu, Obioma; AKPA, Chinenye Clara; UDEH, Opara, Lydia; AMARACHI, Okeigbo, Grace. Teachers’ Professional Development and Job Effectiveness in Business Studies: Evidence from Upper Basic Education Level Classrooms. CINEFORUM, [S. l.], v. 66, n. S5, p. 772–782, 2026. DOI: 10.66669/cineforum.v66iS5.2010. Disponível em: https://revistadecineforum.com/index.php/cf/article/view/2010. Acesso em: 1 nov. 2026.