1. Hungarian problem book,
Author: compiled by G. Hájos, G. Neukomm, and J. Surányi translated and edited by Andy Liu
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Mathematics, Problems, exercises, etc
2. Hungarian problem book III
Author: compiled by G. Hajos, G. Neukomm, and J. Suranyi ; translated and edited by Andy Liu
Library: Central Library of Shahrekord University (Chaharmahal va Bakhtiari)
Subject: Mathematics, Problems, exercises, etc
