Soltani, E.-K. et al. 2020. Polyphenol Contents and Antioxidant Activity of Ethanolic and Aqueous Algerian Propolis Extracts (Region of Serdj el ghoul). Journal of Drug Delivery and Therapeutics. 10, 1 (Jan. 2020), 1–4. DOI:https://doi.org/10.22270/jddt.v10i1.3797.