1.
Supervision: First-Line Management - Lawrence L. L. Steinmetz - Hardcover - 5th ed
by Steinmetz, Lawrence L., Tod...
ISBN: 9780256066692
List Price: $54.50
2.
First-Line Management: Approaching Supervision Effectively - Lawrence L. Steinmetz - Paperba...
by Steinmetz, Lawrence L., Tod...
ISBN: 9780256028836
List Price: $40.95