- ISBN: 978-613-4-98597-0

- ISBN: 978-613-9-82546-2

- ISBN: 978-613-9-81767-2

- ISBN: 978-620-2-09363-7

A Comparative Study of Public and Private Sector Mutual Funds

- ISBN: 978-3-659-37086-1

Investigating Interference Errors made by Libyan 1st Year Students of English in Learning English Prepositions

- ISBN: 978-3-659-77592-5

- ISBN: 978-3-659-66660-5

- ISBN: 978-3-659-50735-9

- ISBN: 978-3-659-78682-2

- ISBN: 978-3-659-93028-7