New ways in numbers

ग्रंथसूची विवरण
मुख्य लेखक:	Ogrin, Kathleen M
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Lexington, MA Heath c1984.
विषय:	Arithmetic > Study and teaching (Elementary). Arithmetic > Study and teaching (Secondary).