Author(s):
1. Edita Bjelic, Univerzitet u Tuzli, Tehnološki fakultet, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
2. Mersiha Suljkanovic, Prirodno-matematički fakultet, Univerzitet u Tuzli, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
3. Jasmin Suljagic, Univerzitet u Tuzli, Tehnološki fakultet, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina

Applied paper from author