TY - BOOK AU - Vivar, Teofista, Ph.D. AU - Viloria, Evelina AU - Rillo, Julia AU - Mina, Exuferencia AU - Jacob, Purification AU - Espero, Julius TI - Economics: : theories and principles SN - 971-07-1373-6 U1 - Fil. 330.76 E197 1998 PY - 1998/// CY - Metro Manila PB - Vibal Publishing House, Inc. KW - Economics - Study and teaching KW - Economics - Philippines ER -