TY - BOOK AU - Dhar, P.K. AU - Chopra, P.N. TI - Economic: principles and problems/by P.K. Dhar and P.N. Chopra SN - 8176634034 U1 - 330.1 PY - 1999/// CY - Ludhiana PB - Kalyani Publishers KW - Economics KW - Social sciences KW - Economics-Problems ER -