Derivations of mathematical formulas with the use of the area board

Detalhes bibliográficos
Autor principal:	Labrador, Feliciano Inoferioo 1945-
Formato:	Thesis
Idioma:	English
Publicado em:	1972
Assuntos:	Mathematical models. Mathematics > Formulae. Mathematics > Study and teaching (Elementary) > Philippines. Teaching > Philippines > Aids and devices.