RAJI, YUNUSA RUKAYYA, SANI, DANTANI MANGA. TEACHERS’ LESSON DELIVERY AND PRINCIPALS’ ADMINISTRATIVE EFFICIENCY IN PUBLIC SENIOR SECONDARY SCHOOLS IN NORTH WEST ZONE, NIGERIA. TIJASDR [Internet]. 2024 Feb. 29 [cited 2026 Jan. 17];3(2). Available from: https://taapublications.com/tijasdr/article/view/122