Kanimozhi, R., and V. Arjunan. “FT-IR, FT-Raman, NMR Spectroscopic and DFT Quantum Chemical Investigations of 6-Methylcoumarin”. Asian Journal of Chemistry 33, no. 11 (October 20, 2021): 2715–2722. Accessed May 4, 2024. https://asianpubs.org/index.php/ajchem/article/view/33_11_24.