Definition, history, comparison and challenge of the model

- ISBN: 978-3-8433-7536-8

A Basic Design of SIP Phone for Real Time voice Transmission

- ISBN: 978-3-8473-7557-9

Effect of Silent Cerebrovascular Lesions on Attention,Orientation and Visuospatial function

- ISBN: 978-3-8484-2647-8

- ISBN: 978-620-4-74156-7

A Case Study in Kalawani Location,Mbooni District

- ISBN: 978-3-8484-4178-5

at “Instituto Politécnico de CiênciasGeográficas,number 8029” in Luanda-Angola

- ISBN: 978-620-4-98257-1

A Sustainable Future for European Farmers

- ISBN: 978-3-8433-8221-2

Investigating the state of Renewable Energy in South America

- ISBN: 978-620-4-98362-2

- ISBN: 978-620-4-73557-3

The beta of stocks listed on the Ghana stock Exchange

- ISBN: 978-3-8433-7906-9