Problem solving

[NT 60487] Overview

[NT 60478] Works:	2 [NT 60520] works in 2 [NT 60521] publications in 2 [NT 60522] languages

[NT 60480] Titles

A problem solving approach to mathematics for elementaru school teachers [NT 59711] by: Libeskind, Shlomo; Lott, Johnny W.; Billstein, Rick ([NT 1579] Language materials, printed)

盒內思考 [NT 59711] by: 博依(Boyd, Drew); 高登柏格(Goldenberg, Jacob); 鄭乃甄; 黃煜文 ([NT 8598] Electronic resources)