Elena Alexandrova, Sonya Sergieva, Ana Saint Georges, Dimiter Katsarov, Margarita Taushanova, George Kalaidjiev and Angel Milev
समीक्षा लेख
Busheina IS, Abobaker MM, Aljurmi ES and Etorki AM*
शोध आलेख
Martin Brand, Angela J Woodiwiss, Frederic Michel, Hendrik L Booysen, Olebogeng HI Majane, Muzi J Maseko, Martin G Veller and Gavin R Norton
शोध आलेख
Bertha Chioma Ekeh*
समीक्षा लेख