Ngoc Son, P. et al. 2025. APPLYING AUGMENTED REALITY (AR) IN TEACHING “CHEMICAL BONDING” CONTENT TO ENHANCE COGNITIVE COMPETENCE IN CHEMISTRY. HNUE Journal of Science: Journal of Educational Science. 70, 1A (Jan. 2025), 117–125. DOI:https://doi.org/10.18173/2354-1075.2025-0025.