P.R., Sivakumar; P, Sounthari. Synthesis and Characterization of Some Novel Mannich Base Compounds. Coimbatore, India: IOR INTERNATIONAL PRESS,2019. DOI: 10.34256/. Disponível em: https://books.iorpress.org/index.php/ior/catalog/book/6.. Acesso em: 14 oct. 2025.