Title information : International journal of scientific progress and research Issue data : [b. m.] [b. ú.] Year, No. : Vol. 12, no. 3, rok 2015 ISSN : ISSN 2349-4689 Collective Record/Entry : \q12**1 0003697 \q International journal of scientific progress and research References : \q2479**1 stu_us_cat*0079383*xcla \q (1) - článok