Onyeka, Onyiorah, Blessing, Frednora Uchenna Ikpeama, Emeasoba, Nneka Charity, Omeonu, Obioma Manasseh, Chinenye Clara Akpa, Opara, Lydia Udeh, and Okeigbo, Grace Amarachi. “Teachers’ Professional Development and Job Effectiveness in Business Studies: Evidence from Upper Basic Education Level Classrooms”. CINEFORUM 66, no. S5 (October 27, 2026): 772–782. Accessed November 1, 2026. https://revistadecineforum.com/index.php/cf/article/view/2010.