TY - BOOK AU - Open University D210 TI - Introduction to economics : D210 U1 - HB/171 PY - 1985/// CY - Milton Keynes PB - Open University KW - Economics. N1 - Serials holdings Audio pack; Consists of supporting material Media Booklets Serials holdings Audio pack; Consists o 1-4and 4 audiocassettes ER -