Al Suwaidi,E Y M , , Al-shami,S A , and Akmal,S . "Applying Structural Equation Model to develop A New Model of Happiness at the Workplace in Promoting Employee Happiness in Public Organization", International Journal of Nonlinear Analysis and Applications, 11, Special Issue, 2020, 311-320. doi: 10.22075/ijnaa.2020.4605