Nguyen Thi Ngoc Mai, et al. “Synthesis and Antimicrobial Activities of Hydrazones Derived from 4-Hydroxy-3-Nitrobenzaldehyde”. <i>Vietnam Journal of Science and Technology</i>, vol. 61, no. 3, Apr. 2023, pp. 373-81, doi:10.15625/2525-2518/17073.