Do Thi Hang, and Vo Thi Huong. “SIMULTANEOUS DETERMINATION FOR THE QUANTIFICATION OF FORMALDEHYDE IN TOFU BY ULTRAVIOLET-VISIBLE SPECTROSCOPY ”. HUIT Journal of Science, vol. 26, no. 1, Feb. 2026, pp. 81-89, doi:10.62985/j.huit_ojs.vol26.no1.392.