module and plugin to add google adsense to joomla based websites
Motiverende beloningen volgens Alfie Kohn
Gepubliceerd in Citaten: motivatie Afdrukken

citaat

Do rewards motivate people? Absolutely. They motivate people to get rewards.

Alfie Kohn

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Laatst aangepast op woensdag, 18 november 2020 09:44