مقالة · مجلة · 2013
Jemima A. Frimpong, Stéphane Helleringer, John Koku Awoonor‐Williams, Thomas Aguilar, James F. Phillips, Francis Yeji
Health Policy and Planning
كما طُبع: Jemima A Frimpong
كما طُبع: John Koku Awoonor-Williams
كما طُبع: James F Phillips