21. Mathematics for practical use
Author: Nielsen, Kaj Leo, 4191-
Library: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
Subject: ، Arithmetic - 1091 -,، Algebra,، Geometry
Classification :
QA
145
.
N53


22. Mathematics for practical use
Author: Nielsen, Kaj Leo
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: 1091- ، Arithmetic,، Algebra,، Geometry
Classification :
QA
145
.
N53


23. Mathematics for the elementary school: grade ]s[ 4]-6[ Prepared under the supervision of the Panel on Elementary School Mathematics
Author: Leslie Beatty ]and others[
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: 1091- ، Arithmetic,، Geometry,، Algebra
Classification :
QA
106
.
S352
1962

