Sin Ru, Ong, Rossilah Jamil, and Muhammad Fathi Yusof. “Understanding the Declining of Trade Union Density: Literature Review and Conceptual Framework”. Sains Humanika 2, no. 2 (September 9, 2014). Accessed November 22, 2024. https://sainshumanika.utm.my/index.php/sainshumanika/article/view/409.