00397 a2200145 4500 20250312105411.0 0 435 33510 3 330. 076 BAR BARON, D. Data Response Questions in O level Economics London, Heinemann Educational books, 1978. 64p.: ill.; figure, graph, table. 22cm. CONNOR, J. ddc BKS 452 452 2025-03-12 10:56:11 0 330.076 BAR 0000001797 30000.00 2025-03-12 BKS 0 ddc 0 0 0 CBEML CBEML GEN 2025-03-12 10000.00 2025-03-12 10:56:11 0 330.076 BAR 0000001798 30000.00 2025-03-12 BKS 0 ddc 0 0 0 CBEML CBEML GEN 2025-03-12 10000.00