TY - BOOK AU - Mabry,Rodney H AU - Ulbrich,Holley H. TI - Introduction to economic principles SN - 0070447977 AV - HB171.5 .M125 1989 U1 - 330 19 PY - 1989/// CY - New York PB - McGraw-Hill KW - Economics KW - Local N1 - Includes bibliographies and index ER -