Bilkisu Mallum, H. ., & Modibbo Buba, M. . . (2026). PERCEIVED RELATIONSHIP BETWEEN PRINCIPAL’S MANAGERIAL SKILLS AND BUSINESS STUDIES TEACHERS’ JOB PRODUCTIVITY IN PUBLIC JUNIOR SECONDARY SCHOOLS IN ADAMAWA STATE, NIGERIA. BW Academic Journal. Retrieved from https://mail.bwjournal.org/index.php/bsjournal/article/view/4472