Principles of economics. /
Castillo, Andres V.
Principles of economics. / Andres V. Castillo. - Manila : University Book Supply, c1986. - xx, 704 p. : ill. 21 cm.
Economics.
HB 171.5 C278 1986
Principles of economics. / Andres V. Castillo. - Manila : University Book Supply, c1986. - xx, 704 p. : ill. 21 cm.
Economics.
HB 171.5 C278 1986