Autor: Peter clough, 3 titluri

Tenacitatea mentală

Doug Strycharczyk,Peter Clough

Tenacitatea mentala - Cheia performantei, rezilientei si starii de bine

Doug Strycharczyk,Peter Clough

Exploring Education

Alan R. Sadovnik,Jr. Peter W. Cookson,Susan F. Semel,Ryan W. Coughlan