Quansah, Frank ; Hagan Jr., John Elvis ; Sambah, Francis ; Frimpong, J. B. ; Ankomah, Francis ; Srem-Sai, Medina ; Seibu, Munkaila ; Kwado Abieraba, Richard Samuel ; Schack, Thomas
In: European Journal of Investigation in Health, Psychology and Education, Jg. 12 H. 1, S. 1 - 14