Karim, M. A., N. E., and D. O. “Isolation and Partial Characterization of a Dihydrochalcone From Amomum Subulatum and Antimicrobial Activity of the Aqueous Extract”. IJRDO-Journal of Applied Science, Vol. 4, no. 10, Oct. 2018, pp. 01-10, doi:10.53555/as.v4i10.2309.