- ISBN: 978-620-2-31255-4

A Rwandan Case

- ISBN: 978-613-8-91962-9

- ISBN: 978-3-659-83887-3

and its Many Applications

- ISBN: 978-620-6-77034-3

- ISBN: 978-620-2-31543-2

Colorimetry

- ISBN: 978-613-8-91489-1

Selected Studies in Philosophy of Science

- ISBN: 978-613-8-93757-9

Three case studies based on the perception of the inhabitants of the cities of Presidio, TX and Ojinaga, Chih., México

- ISBN: 978-3-639-70109-8

For Optical Communication Systems

- ISBN: 978-3-639-66704-2

A Phenomenological Study

- ISBN: 978-3-639-76603-5