Books by Valentin Matcas

The Human Attitudes
Valentin Matcas

The Human Rights
Valentin Matcas

The Human Needs
Valentin Matcas

Know Thyself: Identify Your Needs, Master Your Behavior, Gain Control of Your Life (The Reasonism)
Valentin Matcas

The Human Condition
Valentin Matcas

The Human Origins
Valentin Matcas