2012 · Victor Ombati, Mokua Ombati · IRIES institutional repository of scientific publications of Institute of Economic Sciences (Institute of Economic Sciences, Belgrade) · 44
2013 · Mokua Ombati · IRIES institutional repository of scientific publications of Institute of Economic Sciences (Institute of Economic Sciences, Belgrade) · 5
2014 · Mokua Ombati · IRIES institutional repository of scientific publications of Institute of Economic Sciences (Institute of Economic Sciences, Belgrade) · 2