00441pamaa2200145 4500 0000033250 20060619090000.0 [Nil] 658.562 QCC TS156 QCC 1980 QC CIRCLE koryo : general principles of the qc circle. Tokyo: QC Circles Headquarters, 1980. v, 86p.; 18 cm. Quality control Perbadanan Produktiviti Negara and QC Circle Headquarters, JUSE