مقالة · مجلة · 2019
Chenjoh Joseph Nde, Alice Raymond, Yauba Saidu, Ndong Ignatius Cheng, Divine Nzuobontane, Johannes Tabi Atemnkeng و1 آخرون
Universal Journal of Public Health
اقرأه10.13189/ujph.2019.070304
كما طُبع: Wilfred Fon Mbacham