張德和

[NT 60487] Overview

[NT 60478] Works:	1 [NT 60520] works in 1 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

正本清源源遠流長:再論從數學發展看算盤的歷史和珠算的未來 [NT 59711] by: 張德和 ([NT 8598] Electronic resources)

[NT 60479] Subjects

珠算心算法