HTH RESEARCH | |||
info@hth-research.nl | |||
Web | www.hth-research.nl | ||
@HTHresearch | |||
HENK VINKEN | TEUNIS IJDENS | HANS MARIËN | |
Bureau | Pyrrhula Research Consultants | IVAdata | IVA Onderwijs | |
hvinken@gmail.com | teunisijdens@xs4all.nl | info@ivadata.nl | |
Mobiel | 06-53426313 | 06-24811595 | 06-42557031 |
Web | www.henkvinken.nl | www.hth-research.nl | www.ivadata.nl |