Plamen Kalchev is a professor at the Sofia University "St. Kl. Ohridski ", Ph.D. of Psychological Sciences. He has published 21 books and over 50 studies and articles in the field of childhood and adolescent psychology.
Don’t miss a thing! Subscribe to our newsletter and receive our latest articles, offers, and news directly in your inbox.
Cookie settings
We use cookies to provide you with the best possible experience. They also allow us to analyze user behavior in order to constantly improve the website for you.