Principles of macroeconomics Yazar: Ruffin, Roy, 1938-

Principles of microeconomics Yazar: Ruffin, Roy, 1938-

Principles of microeconomics Yazar: Ruffin, Roy 1938-

Intermediate microeconomics Yazar: Ruffin, Roy 1938-

Principles of microeconomics Yazar: Ruffin, Roy 1938-, Gregory, Paul R.

Basic economics Yazar: Gregory, Paul R.

Basic microeconomics Yazar: Gregory, Paul R.

Principles of macroeconomics Yazar: Ruffin, Roy 1938-

Table of contents only

Principles of macroeconomics Yazar: Ruffin, Roy 1938-

Principles of economics Yazar: Ruffin, Roy 1938-