Van Duyen Em V, Thi Ngan P. THE DEVELOPMENT OF STUDENTS’ GAINING KNOWLEDGE AND COMMUNICATIONS PERSPECTIVE THROUGH PROJECT-BASED LEARNING IN TEACHING THE CONTENT OF “NITROGEN AND SULFUR” IN CHEMISTRY 11. HNUE Journal of Science: Educational Science [Internet]. 2025 Jan. 31 [cited 2025 Mar. 16];70(1A):79-90. Available from: https://hnuejs.edu.vn/es/article/view/408