Güzel, E. K., C. Kaya, E. Esin Yücel, and M. Bayram. “Determination of Some Properties of Jam and Marmalade Produced from Different Blueberry Varieties (Vaccinum Sp.)”. Turkish Journal of Agriculture - Food Science and Technology, vol. 9, no. 5, May 2021, pp. 937-45, doi:10.24925/turjaf.v9i5.937-945.4341.