“Improving Social Capital for Trade Union Officials in Dialogues, Collective Negotiations and Collective Labor Agreements”. Tạp chí Nghiên cứu Khoa học Công đoàn, no. 11 (August 22, 2019): 26. Accessed June 7, 2026. https://vjol.vista.gov.vn/DHCD/article/view/42242.