I. Kikerkova, K. Toshevska Trpchevska, and I. Kikerkov, “THREATS OF TRADE IN COUNTERFEIT PHARMACEUTICAL PRODUCTS”, Horiz Int Sci J, vol. 31, no. 2, pp. 7–23, Dec. 2022, doi: 10.20544/HORIZONS.A.31.2.22.P01 .