Bandaru, S. K., and M. C. Risi. “Zn(OAc)2.2H2O-Catalyzed C3-Alkylation and O-Alkylation of 4-Hydroxycoumarin Derivatives: 10.55434/CBI.2022.20102”. Caribbean Journal of Sciences and Technology, vol. 10, no. 2, Sept. 2022, pp. 10-16, doi:10.55434/CBI.2022.20102.