- ISBN: 978-3-8417-4407-4

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- ISBN: 978-3-639-60796-3

- ISBN: 978-613-8-43322-4

The expansion of civilization beyond the limits of our home planet is the moral issue of our time

- ISBN: 978-613-8-40716-4

Case study: Pinga City in Nord-Kivu Province, RD Congo

- ISBN: 978-613-8-44205-9

- ISBN: 978-3-330-87688-0

A New Historicist Study of 19th Century America's Most Prevalent Fear

- ISBN: 978-620-2-26268-2

- ISBN: 978-613-8-49882-7

- ISBN: 978-613-8-43847-2

The Case of Albania

- ISBN: 978-3-8473-8961-3