Determining the importance weights for the design requirements in the house of quality using the fuzzy analytic network approach. - Gülçin Büyüközkan; Tijen Ertay; Cengiz Kahraman; Da Ruan 001 (Int. J. Intell. Syst., 2004)

Data envelopment analysis based decision model for optimal operator allocation in CMS. - Tijen Ertay; Da Ruan 001 (Eur. J. Oper. Res., 2005)

Quality function deployment implementation based on analytic network process with linguistic data: An application in automotive industry. - Tijen Ertay; Gülçin Büyüközkan; Cengiz Kahraman; Da Ruan 001 (J. Intell. Fuzzy Syst., 2005)

Integrated Clustering Modeling with Backpropagation Neural Network for Effcient Customer Relationship Management. - Tijen Ertay; Bora Çekyay (Intelligent Data Mining, 2005)

Simulated Annealing Approach for the Multi-objective Facility Layout Problem. - Umut Rifat Tuzkaya; Tijen Ertay; Da Ruan 001 (Intelligent Data Mining, 2005)

A fuzzy optimization model for QFD planning process using analytic network approach. - Cengiz Kahraman; Tijen Ertay; Gülçin Büyüközkan (Eur. J. Oper. Res., 2006)

Integrating data envelopment analysis and analytic hierarchy for the facility layout design in manufacturing systems. - Tijen Ertay; Da Ruan 001; Umut Rifat Tuzkaya (Inf. Sci., 2006)

Evaluation of design requirements using fuzzy outranking methods. - Tijen Ertay; Cengiz Kahraman (Int. J. Intell. Syst., 2007)

An Integrated Fuzzy Approach for Determining Engineering Characteristics in Concrete Industry. - Tijen Ertay; Derya Eren Akyol; Ceyhun Araz (Appl. Artif. Intell., 2011)

An approach based on ANFIS input selection and modeling for supplier selection problem. - Ali Fuat Güneri; Tijen Ertay; Atakan Yücel (Expert Syst. Appl., 2011)

An integrated multi-criteria group decision-making approach to efficient supplier selection and clustering using fuzzy preference relations. - Tijen Ertay; A. Kahveci; R. M. Tabanli (Int. J. Comput. Integr. Manuf., 2011)

Condolence on Adjunct Professor Da Ruan. - Tijen Ertay (A Tribute to Prof. Dr. Da Ruan, 2013)