1. Seeing through arithmetic
Author: By Maurice L. Hartung ... [et al.]&
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Arithmetic- Study and teaching (Elementary)
Classification :
QA
،
135
،.
H377
2. Seeing through arithmetic
Author: Hartung, Maurice Leslie, 2091-
Library: Central Library and Documents Center of Al-Zahra University (Tehran)
Subject: ، Arithmetic - Study and teaching ) Elementary(
Classification :
QA
135
.
H377
3. Seeing through arithmetic
Author: /by Maurice L.Hartung,Henry Van Engen,and Lois Knowles.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: حساب, -- راهنمای آموزشی (ابتدائی)
Classification :
QA
۱۳۵
/
ھ
۲
س
۹ ۱۳۰۰
ی
