TY - BOOK AU - NICHOLSON,J.SHIELD TI - PRINCIPLES OF POLITICAL ECONOMY U1 - 330 21 PY - 1902/// CY - LONDON PB - ADAM AND CHARLES BLACK KW - ECONOMICS KW - qrmak UR - https://fll.law.cu.edu.eg/fulltext/bks/B13-05015.pdf ER -