1. Aha! Aha! insight
Author: / Martin Gardner
Library: Central Library of Imam Khomeini International University of Qazvin (Qazvin)
Subject: Mathematical recreations,Puzzles,Problem solving
Classification :
QA95
.
G23
2. Aha Aha insight
Author: Gardner, Martin
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Mathematical recreations,، Puzzles,، Problem solving
Classification :
QA
95
.
G23
