" Gazi University Journal of Science, Part A: Engineering and Innovation (GUJSA) " is a double-blind peer-reviewed , international indexed and free journal published by the Gazi University. Journal publishes 4 issues per year ( March , June , September , and December ) in English in the fields of engineering , technology and basic sciences . The scope of the journal covers all areas of engineering, technology, statistics and fundamental sciences with special emphasis on innovation aspects. Only full-length research/application articles are considered for publication. There are no review and submission fees . Articles are only published digitally . Our journal has adopted an Open Access Policy . Researchers all over the world can submit their work and contribute to our journal. The journal can be surved in data bases like “ TUBITAK ULAKBIM , TR Dizin , Index Copernicus (ICI) , SOBIAD , Directory of Research Journals Indexing (DRJI) , Academic Resource Index (RESEARCHBIB) , ASOS Index (ASOS) , Scientific Indexing Services , Info Base Index , Google Scholar ”, now.