4 happiness chemicals – EDSO: endorphins, dopamine, serotonin, oxytocin @simonsinek #pmilim #pmicongress… twitter.com/i/web/status/7…
Lepsza organizacja – Michał Rączka
4 happiness chemicals – EDSO: endorphins, dopamine, serotonin, oxytocin @simonsinek #pmilim #pmicongress… twitter.com/i/web/status/7…