Kasvatuspsykologia
epub
- Author: Erno Lehtinen, Marja Vauras, Marja-Kristiina Lerkkanen
- Language: Finnish
- Year: 2016
- Author: Erno Lehtinen, Marja Vauras, Marja-Kristiina Lerkkanen
- Language: Finnish
- Year: 2016
- Author: Joke Torbeyns Erno Lehtinen Jan Elen (eds.)
- Language: English
- Year: 2015
- Author: Frank E. Ritter Josef Nerb Erno Lehtinen Timothy M. O'Shea
- Language: English
- Year: 2007