Title information : Identification of regional disparities in the field of internet services by the chi-square test for independence Variant heading : \q12*stu_us_auth*1 stu122950 \q \q1013 stu_us_auth*stu122950 \d Košťálová Alena \q  In : \q12**1 stu261016 \q %continue : RelStat 2012 : %continue : . s.36-44 Document kind : článok zo zborníka References : \q2479**1 stu_us_cat*stu261018*auc \q (1) - učebnica