Muhammad Adeel Anjum and Anjum Parvez, “Counterproductive Behavior at Work: A Comparison of Blue Collar and White Collar Workers”, JESPK, vol. 7, no. 3, pp. 417–434, Sep. 2013, Accessed: Oct. 28, 2026. [Online]. Available: https://jes.ac.pk/index.php/jes/article/view/506