Varavva, E.E.VaravvaDovgan’, S. M.S. M.Dovgan’2013-06-132013-06-132013-06-13http://ir.nmu.org.ua/handle/123456789/2144enMARKETING ACTIVITY PERFECTIONSERQUAL MODEL AS THE ELEMENT OF MARKETING ACTIVITY PERFECTIONArticle