Thanh Mai, Nguyen Thi, and Le Thi Hong Nhung. “Synthesis of Chromene Derivatives Using Microwave-Assisted Method”. <i>Vietnam Journal of Chemistry</i> 54, no. 2 (July 13, 2016): 233. Accessed December 6, 2025. https://vjs.ac.vn/vjchem/article/view/0866-7144.2016-00267.