Doesn't suit? No problem! You can return within 30 days
You won't go wrong with a gift voucher. The gift recipient can choose anything from our offer.
30-day return policy
Devoted to the old problem of fundamental motivations that can hardly be approached in another way, other than theoretically, this title discusses marginal concepts that seem capable to enrich general models of motivational processes. It deals with the issues of self-regulation and self-determination.