1. The contest problem book I
Author: compiled and with solutions by Charles T. Salkind
Library: Central Library of Shahrekord University (Chaharmahal va Bakhtiari)
Subject: Mathematics- Problems, exercises, etc,Mathematics- Competitions
2. The contest problem book II
Author: compiled and with solutions by Charles T. Salkind
Library: Central Library of Shahrekord University (Chaharmahal va Bakhtiari)
Subject: Mathematics- Problems, exercises, etc,Mathematics- Competitions
