Mathematics for first year high school Martin, Concepcion creator Villarama, Monica S. Jacobo, M.E. text Philippines] Philippine Book Company c1985 monographic vi, 218 p. : some ill. ; tabs and figs. ; 22 cm. Concepcion Martin, Monica S. Villarama [and] M.E. Jacobo. Mathematics Fil. 510 M379 1985