De-Escalate: How to Calm an Angry Person in 90 Seconds or LessLivre audioDe-Escalate: How to Calm an Angry Person in 90 Seconds or LessdeDouglas E. NollÉvaluation : 5 sur 5 étoiles5/5Enregistrer De-Escalate: How to Calm an Angry Person in 90 Seconds or Less pour plus tard