00000nam 2200000 4500 INLIS000000000014441 20250325123249 0010-061300000014441 250325################g##########0#ind## Ind 658.403 658.403, Cha l Chang, Richard Y Langkah-langkah pemecahan masalah / Richad Y. Chang, P. Keith Kelly Jakarta : PPM, 2003 viii, 95 hlm. ; 23 cm Pemecahaan masalah P. Keith Kelly NBPNMAT 979-442-073-5 658.403 CHA l Cet. 3 30500787 30500788 30500789 30500790 30500787 30500787 30500787 30500788 30500788 30500788 30500789 30500789 30500789 30500790 30500790 30500790