Some more listening resources

1. MP3s on listening skills
Click on "listening skills seminar"
http://www.cnr.berkeley.edu/ucce50/ag-labor/7article/article40.htm

2. MP3s on negotiating skills, or dealing with differences of opinions 

Click on "negotiation skills audio"
http://www.cnr.berkeley.edu/ucce50/ag-labor/7conflict/

3. A complete book that includes listening skills and conflict negotiation skills:
http://www.cnr.berkeley.edu/ucce50/ag-labor/7conflict/