Learing For Meaning to Understand Fractional Concept through Using Personal Computer
分数の意味学習のための視覚教材ソフト

AKIRA TAKATA
1991 Japan Journal of Mathematics Education and Related Fields  
doi:10.34323/mesj.32.1-2_45 fatcat:wlf7bkrxanc4zefn3is3pfgsp4