TWUM, F. O.; BADU, Y. A.; BOATENG, P. A. The Nine ‘S’ Model for Strategy Implementation: A Review. Pan-African Journal of Education and Social Sciences, [S. l.], v. 5, n. 1, p. 18–27, 2024. DOI: 10.56893/pajes2024v05i01.02. Disponível em: https://journals.aua.ke/pajes/article/view/525. Acesso em: 30 oct. 2024.