Cristina de Oliveira , Elayne, et al. “Chemical Composition and Antimicrobial Activity of Essential Oil from Piper Marginatum Leaves Obtained by Hydrodistillation in pH4, PH7 and pH10”. Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y Naturales, vol. 46, no. 181, Nov. 2022, pp. 1002-9, doi:10.18257/raccefyn.1736.