TY - BOOK AU - Case, Karl E. AU - Fair, Ray C.; Oster, Sharon M. TI - Principles of economics SN - 978-981-0697-28-0 AV - 330 C26p PY - 2009/// CY - Singapore PB - Pearson Education KW - Economics KW - Microeconomics N1 - Includes glossary and index ER -