Fazlollahtabar, Hamed, Pooneh Abbasian, and Nezam Mahdavi-Amiri. 2015. “Modelling and Optimization of a Non-Constrained Multi-Objective Problem Having Multiple Utility Functions Using Bayesian Theory”. Journal of Information Sciences and Computing Technologies 4 (3), 332-42. http://scitecresearch.com/journals/index.php/jisct/article/view/393.