Dòng Nội dung
1
Mathematics and graphing primer for Principles of economics / Robert K. Toutkoushian.
Cincinnati, Ohio : South-Western College Pub., 1995.
[39] p. : ill. ; 22 cm.
2
Models and economic theory / Ivy Papps, Willie Henderson.
Philadelphia : Saunders, 1977.
131 p. ; 24 cm.