Derivations of mathematical formulas with the use of the area board

Xehetasun bibliografikoak
Egile nagusia:	Labrador, Feliciano Inoferioo 1945-
Formatua:	Thesis
Hizkuntza:	English
Argitaratua:	1972
Gaiak:	Mathematical models. Mathematics > Formulae. Mathematics > Study and teaching (Elementary) > Philippines. Teaching > Philippines > Aids and devices.