O. . Zahed, R. Massoud, K. Khosravi-Darani, A. M. . Mortazavian, و A. . Mohammadi, "Propionic Acid Bio-Fortification of Yogurts by Adjunct Culture of Propionibacterium freudenreichii: Propionic acid biosynthesis in yogurt", Appl Food Biotechnol, م 9, عدد 1, ص 31–40, 2022.