- ISBN: 978-620-2-02792-2

As represented in "The Crucible" and "The Lord of the Flies"

- ISBN: 978-3-330-05508-7

- ISBN: 978-3-659-94701-8

- ISBN: 978-3-330-31819-9

Its Impact To Students Attitude In Learning Science

- ISBN: 978-3-659-17480-3

The Case of Higher Learning Institutions in Rwanda

- ISBN: 978-3-659-23924-3

The role of humor in learning foreign language

- ISBN: 978-3-659-78352-4

The effects of customers'' online browsing behavior on Internet purchasing

- ISBN: 978-3-8383-1714-4

- ISBN: 978-613-7-34136-0

Comparison of Online and Traditional Community College Math Remediation

- ISBN: 978-3-659-24951-8