Julio Roberto Cáceres Cortés
समीक्षा लेख
Ashebir Haile Tefera
अनुसंधान
Abiodun M Adeoye, Williams O Balogun, Adewole Adebiyi and Bamidele O Tayo
शोध आलेख
Persio Roxo-Junior and Rosa Aparecida Ferreira
Janice Hoffman
सम्मेलन रिपोर्ट
Amal MH Mackawy and Ola Megahed