Wallace Agyei, Kwaku Fokuoh Darkwah, William Obeng-Denteh, Emmanuel Appoh Andam
DOI:
10.9734/ACRI/2015/13943
Page: 12-22
Zuzana Murčinková, Jaromír Murčinko
DOI:
10.9734/ACRI/2015/15945
Page: 35-45
Atilla Yelboga
DOI:
10.9734/ACRI/2015/17409
Page: 46-53