RecordNumber
294
LC Class
QA
LC Number
135
LC CutterNumber
.B35
Author
Ballard, P. B.
Title
Fundamental arithmetic
Author Statement
by P. B. Ballard
Publication
University of London press
Collation
112 p.: ill.; 20 cm
Subject
Aritmetic -- Study and teaching
تاريخ ورود اطلاعات
MO الجزايري
BL
BL