Bulgaria - New Bulgarian University

The College, Weert (NL)

Helicon Education, 's-Hertogenbosch (NL

Primary school Nassauhof, Weert (NL)

Immanuelschool, Boskoop (NL_

CHE - Christian University, Ede (NL)

Child center Kleinerf, De Mortel (NL)

University Leiden (NL)

Faculty of Mathematics and Natural Science