Twum, Faustina Oduro, Yaw Agyeman Badu, and Peter Agyyekum Boateng. “The Nine ‘S’ Model for Strategy Implementation: A Review”. Pan-African Journal of Education and Social Sciences 5, no. 1 (July 2, 2024): 18–27. Accessed November 23, 2024. https://journals.aua.ke/pajes/article/view/525.