1. Mathematical discovery , on understanding and tyeaching problem Solving . combined ed
پدیدآورنده : Polya , George , 7881-
کتابخانه: Central Library and Documents Center of Al-Zahra University (Tehran)
موضوع : ، Mathematics - Problems , exercises , etc,، Problem solwing
رده :
QA
43
.
P62
.
1981
