TY - BOOK AU - Lipsey, Richard G. TI - Introduction to Positive Economics SN - 0297795562 U1 - 330 PY - 1989/// CY - London : PB - ELBS/Weidenfeld and Nicolson, KW - Economics Theory Of N1 - NN UR - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0297-79556-2.pdf ER -