7 1 40 Principles and Strategies Olson, Kent D. Primary Author mixed material 0813804183 Iowa Iowa State Press 2004 6766.jpg.jpg Kay,Ronald D Primary Author Edwards,William M Additional Author Duffy,Patricia A Additional Author mixed material 978007354587 New York Mcgraw Hill Inc 2008 farm_management.jpg.jpg KAY, Ronald D. Additional Author mixed material New York McGRAW-HILL BOOK COMPANY 1986 Farm_Management_Planning_Control_And_Implementation.jpg ERICKSON, Duane E. Additional Author HINTON, Royce A. Additional Author SZOKE, Ronald D. Additional Author mixed material Lowa Lowa state university press 1990 Microcomputers_On_The_Farm_Getting_Started.jpg DILLON, John L. Additional Author ANDERSON, Jock R. Additional Author mixed material New York Pergamon Press 1990 The_Analysis_Of_Response_In_Crop_And_Livestock_Production.jpg Lawrence A. Bradford Primary Author Glenn L. Johnson Primary Author mixed material Hoboken, NJ John Wiley 1953 IMG_0356.jpg Buckett, Maurice Primary Author mixed material 0080244335 New York Pergamon Press 1981