Look at the books published by the Harvard Negotiation Project: Getting to Yes in 1981. Getting It DONE: How to Lead When You’re Not in Charge was published in

Look at the books published by the Harvard Negotiation Project: Getting to Yes in 1981. Getting It DONE: How to Lead When You’re Not in Charge was published in 1998, Difficult Conversations: How to Discuss What Matters Most in 1999, and Beyond Reason: Using Emotions as you Negotiate was published in 2006 https://en.wikipedia.org/wiki/Harvard_Negotiation_Project https://en.wikipedia.org/wiki/Harvard_Negotiation_Project