Eyo, Mfon, P. N. Asuquo, and Janet Petters. “Work Environment and Economic Variables As Correlates of Teachers’ Productivity in Calabar, Nigeria”. The International Journal of Humanities & Social Studies 3, no. 6 (June 30, 2015). Accessed July 3, 2024. https://internationaljournalcorner.com/index.php/theijhss/article/view/140133.