Application to a Military Organization Second Edition

- ISBN: 978-620-9-17543-5

Second Edition

- ISBN: 978-620-9-19110-7

Second Edition

- ISBN: 978-620-9-19438-2

from Aristotle to Einstein Second Edition

- ISBN: 978-620-9-17939-6

Vision Impairment in Papua New Guinea - Second Edition

- ISBN: 978-620-0-52709-7

- ISBN: 978-620-9-19243-2

Exploring the offshore opportunities

- ISBN: 978-3-8383-4224-5

Pest control of citrus and guava trees

- ISBN: 978-3-659-32447-5

- ISBN: 978-3-659-32503-8

- ISBN: 978-613-9-47135-5