Impact of Teacher Demonstration Video On Polytechnic Students’ Achievement in Shorthand in Zamfara State . Kashere Journal of Education, [S. l.], v. 2, n. 2, p. 267–276, 2021. Disponível em: https://kasherejournalofeducation.org/index.php/kje/article/view/71. Acesso em: 30 oct. 2026.