21. 2500 solved problems in college algebra and trigonometry
Author: Schmidt, Philip A.
Library: Library of Niroo Research Institue (Tehran)
Subject: ، Algebra- Problems, exercises, etc,، Trigonometry- Problems, exercises, etc
Classification :
QA
157
.
S247
1991
22. 2500 solved problems in colloge algebra and trigonometry
Author: / philip Schmidt,Schmidt
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Algebra--Problems, exercises etc,Trigonometry -- Problems, exercises, etc
Classification :
QA
157
.
S247
1991
