na YOGYA-07110000000408 20110711075717.0 ind 979-20-3452-8 010-071100000000408 Ind YOPDYOG 153.43 153.43 Ste P Stevens, Michael problem solver mengatasi masalah secara kreatif Michael Stevens Cet. 1 Media Komputindo 1996 xiii, 164 hlm. 21 cm. Mengatasi masalah YOPDYOG 446-PD/P.04 1