BAYAR, L. S. “THE INVESTIGATION THROUGH STRUCTURAL EQUIVALENCE MODELLING: THE EFFECT OF BEING A UNION MEMBER ON WORK VALUES AND BEHAVIOURS”. International Journal of Contemporary Economics and Administrative Sciences, vol. 5, no. 1-2, Jan. 2016, pp. 1-29, http://www.ijceas.com/index.php/ijceas/article/view/100.