TY - BOOK AU - Ruffin,Roy AU - Gregory,Paul R. TI - Principles of microeconomics SN - 0673158578 AV - HB172 .R75 1983 U1 - 338.5 19 PY - 1983/// CY - Glenview, Ill. PB - Scott, Foresman KW - Microeconomics N1 - Also issued in a combined volume with Principles of macroeconomics, under title: Principles of economics; Includes index; Bibliography: p. 444-448 UR - http://www.archive.org/details/principlesofmicr00ruff UR - http://www.openlibrary.org/books/OL2966875M ER -