Comparative Effect of Flipped Classroom, Problem-Based and Lecture Teaching Methods on Students’ Academic Achievement and Interest in Agricultural Mathematics in Colleges of Education, Northwest Nigeria. GNJMR [Internet]. 2026 May 7 [cited 2026 Jun. 13];1(1):189-202. Available from: https://globalnexusjournal.com.ng/index.php/home/article/view/21