00000nam a2200000 a 4500 20251203091151.0 658.40355 WIL Willis, Raymond E. Guide to forecasting for planners and managers New york Prentice Hall 1987 xii,404 p. 22cm. HB Management Planning Forecasting _ 43360 LIBSS C 32393 32393 0 0 0 0 PU PU 1999-04-16 43.00 0 658.40355 WIL 43360 BK