M. Mahmudul Hasan, Pericles Loucopoulos, Mara Nikolaidou. Classification and Qualitative Analysis of Non-Functional Requirements Approaches. In Ilia Bider, Khaled Gaaloul, John Krogstie, Selmin Nurcan, Henderik Alex Proper, Rainer Schmidt, Pnina Soffer, editors, Enterprise, Business-Process and Information Systems Modeling - 15th International Conference, BPMDS 2014, 19th International Conference, EMMSAD 2014, Held at CAiSE 2014, Thessaloniki, Greece, June 16-17, 2014. Proceedings. Volume 175 of Lecture Notes in Business Information Processing, pages 348-362, Springer, 2014. [doi]