Principles of economics /
Ruffin, Roy
Principles of economics / Roy Ruffin and Paul R. Gregory - 1st ed. - London : Scott foresman and company, 1982. - 798 p. : 26 cm.
0673155080
Principles of economics
330 / RUP
Principles of economics / Roy Ruffin and Paul R. Gregory - 1st ed. - London : Scott foresman and company, 1982. - 798 p. : 26 cm.
0673155080
Principles of economics
330 / RUP
