The Four-Hour Grading Scale: Motivation, Self-Determination, and Academic Achievement in Raising Graduation Rates. Journal of School Administration Research and Development, [S. l.], v. 10, n. 2, p. 112–117, 2025. DOI: 10.32674/cnjh3t69. Disponível em: https://www.ojed.org/JSARD/article/view/7972. Acesso em: 7 mar. 2026.