00574naa#a2200193#i#450# EN\\bibl\14261 20240503233605.5 1999-8775 20141205b2014####ek#y0engy0150####ca RUS RU Cluster analysis of the effectiveness of the quality management system. Journal article Bryansk Bryansk State Technical University 2014 6 с. Journal article local Efimova Galina Miroshnikov Vyacheslav Korolkova Tamara bstu.editorum.ru