FR Comment convaincre? E-Learning Personal and professional development - Interpersonal relations - Negotiation methodology 01.01.2099
EN Communication interpersonnelle et assertivité E-Learning Personal and professional development - Interpersonal relations 01.01.2099
DE Donner du feed-back et en recevoir E-Learning Personal and professional development - Interpersonal relations - Communication in the workplace 01.01.2099