Ferreira BLM and Ferreira RN
Artigo de Pesquisa
Majelantle RG, Keetile M, Bainame K and Nkawana P
Priyanka
Editoriais
Nigatu Akililu, Kibebe Legese, Yacob Hailu, Hagos Ashenafi and Yohans Hagos
Jeffrey G.Tasker
Análise de mercado
Ocheri C and Mbah AC