00309nam a2200109Ia 4500082002100000100006000021245007400081260002800155300000600183500000500189700000500194  a658.568bIn39.CS  aIndian Statistical Institute, Madras, SQC & OR Division  aCase studies on experimentation for process and product improvementb  aMadrasbThe Auth.c1984  a   a  a