Principles of economics
Ruffin,Roy J
Principles of economics / by Roy J. Ruffin and Paul R. Gregory - 4th ed. - London: Foresman and Company, 1990. - xxxii,851p.
9780673460202
Economics
Elasticity
Monopoly
World Economics
330 / RUF/P
Principles of economics / by Roy J. Ruffin and Paul R. Gregory - 4th ed. - London: Foresman and Company, 1990. - xxxii,851p.
9780673460202
Economics
Elasticity
Monopoly
World Economics
330 / RUF/P