مقالة · مجلة · 2016
Maxwell Fordjour Antwi-Afari, Erika Parn, De‐Graft Owusu‐Manu, David J. Edwards
BCU Open Access Repository (Birmingham City University)
كما طُبع: Maxwell Fordjour Antwi‐Afari
كما طُبع: Erika Pärn