QIZIQARLI MATEMATIKA VA OLIMPIADA MASALALARI
- Author: A. S. Yunusov, S. I. Afonina, M. A. Berdiqulov, D. I. Yunusova
- Language: O'zbek tilida
- Writing: Lotin yozuvida
- Publisher: TOSHKENT
- Year: 2007
- Views: 293