Gür, Nazmi, Neval Bayrak, and Aykut Topdemir. “Determination of Antimicrobial Activity and Some Biochemical Properties of Honey and Propolis in Turkish Markets”. Progress in Nutrition 22, no. 3 (September 30, 2020): e2020040. Accessed October 22, 2020. https://mattioli1885journals.com/index.php/progressinnutrition/article/view/9166.