Derivations of mathematical formulas with the use of the area board

ग्रंथसूची विवरण
मुख्य लेखक:	Labrador, Feliciano Inoferioo 1945-
स्वरूप:	थीसिस
भाषा:	English
प्रकाशित:	1972
विषय:	Mathematical models. Mathematics > Formulae. Mathematics > Study and teaching (Elementary) > Philippines. Teaching > Philippines > Aids and devices.