UMAR, M.; ABDULMUTALLIB, U. Self-Concept and Self-Efficacy as Determinants of Colleges of Education Students’ Performance in Shorthand in North-East, Nigeria. Kashere Journal of Education , [S. l.], v. 3, n. 1, p. 171–181, 2022. Disponível em: https://journals.fukashere.edu.ng/index.php/kje/article/view/962. Acesso em: 15 mar. 2026.