Lê Tố Anh. “Studying and Employing the 2020 Seminar ‘strengthening the National Unity Bloc, Building a Clean and Strong Party As Well As a Transparent Political System Based on Ho Chi Minh’s Ideology, Morality and style’ in Practice”. Tạp Chí Nghiên cứu Khoa học Công đoàn, no. 18, Apr. 2022, p. 7, https://vjol.info.vn/DHCD/article/view/66961.