K. C. Nwosu, E. C. Nwune, C. A. Anidi, and N. K. Oguezue, “What’s the Fuss about Extra Lessons? Empirical Evidence on Pupils’ Perception”, J. Res. Educ. Pedagog., vol. 1, no. 2, pp. 73–82, Nov. 2024, doi: 10.70232/jrep.v1i2.11.