- ISBN: 978-613-9-98150-2

- ISBN: 978-3-659-37193-6

- ISBN: 978-620-0-22795-9

Conceptual and Methodological Obstacles to Empirical Verification of Theories

- ISBN: 978-3-8383-8701-7

DIVERGENT OR CONVERGENT PATHS?

- ISBN: 978-3-8383-9147-2

Applications of Genetic Algorithm for Assignment, Crew-Scheduling and Traveling Salesman Problems

- ISBN: 978-3-8454-0046-4

An Algerian Experience

- ISBN: 978-613-9-89117-7

A re-consideration of the teacher crisis

- ISBN: 978-3-8454-2076-9

- ISBN: 978-613-9-91759-4

An empirical examination for the existence of a long run relationship between Finance and Economic Growth in Namibia

- ISBN: 978-3-8383-8407-8