Tetty، Charles (1985). "Medical Practitioners of African Descent in Colonial Ghana". The International Journal of African Historical Studies. ج. 18 ع. 1: 139–144. DOI:10.2307/217977. JSTOR:217977.
Tetty، Charles (1985). "Medical Practitioners of African Descent in Colonial Ghana". The International Journal of African Historical Studies. ج. 18 ع. 1: 139–144. DOI:10.2307/217977. JSTOR:217977.