Abdulmalik Sabitu, and Torpev Terver Francis. “Impact of Class-Wide Peer-Tutoring Strategy on Secondary School Slow Learners’ Performance in Redox Reactions in Funtua, Katsina State- Nigeria”. Issues and Ideas in Education, vol. 4, no. 2, Sept. 2016, pp. 83-97, doi:10.15415/iie.2016.42007.