BASSEY, Edwin Okpa; OTU, Bernard Diwa. Indiscipline Related Behaviour and Academic Performance of Secondary School Students in Mathematics in Calabar Education Zone of Cross River State, Nigeria. NIU Journal of Social Sciences, [S.l.], v. 11, n. 1, p. 335-345, mar. 2025. ISSN 3007-1690. Available at: <https://kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/2154>. Date accessed: 07 apr. 2026. doi: https://doi.org/10.58709/niujss.v11i1.2154.