Economic Impact of Value Engineering Changes (Value Engineering Technical Report) By TRW Systems, Inc. Books / Paperback Science, Technology, Engineering, Mathematics › Technology & Engineering Publisher: United States Army Management Engineering Training Agency, January 1966 Price $24.38 Free Shipping Send to a friend Used - Very Good Very Good condition. (Engineering) $24.38 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.