Järvinen, E. H. ., H. . Harvey, and W. . Koblinsky. “INFLUENCE OF DISCIPLINE ON PERFORMANCE OF SECONDARY SCHOOL STUDENTS IN FINLAND”. African Journal of Emerging Issues, vol. 3, no. 6, Sept. 2021, pp. 56-65, https://ajoeijournals.org/sys/index.php/ajoei/article/view/207.