@inbook {ekcsiouglu2011heuristic, title = {Heuristic evaluation and usability testing: case study}, booktitle = {Internationalization, Design and Global Development}, year = {2011}, pages = {143{\textendash}151}, publisher = {Springer Berlin Heidelberg}, organization = {Springer Berlin Heidelberg}, author = {Mahmut Ek{\c s}io{\u g}lu and Kiris, Esin and \cCapar, Burak and Sel{\c c}uk, Murat N and Ouzeir, Selen} }