Sonawane NB, Rajput JD, Patil DR. Synthesis of coumarin-3-carboxylic acids in waste curd water: A green approach. Eur. J. Chem. [Internet]. 2023 Dec. 31 [cited 2024 Dec. 4];14(4):439-44. Available from: https://eurjchem.com/index.php/eurjchem/article/view/2471