Elementary school mathematics.

ग्रंथसूची विवरण
मुख्य लेखक:	Philippines. University. Science Education Center
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	[Quezon City] 1973-
संस्करण:	Rev. experimental ed.
विषय:	Mathematics > Study and teaching (Elementary)