M. Maryam, T. M. . Sitorus, H. . Dewi, and R. F. . Lubis, “Analysis of the Quality and Financial Viability of Hard Candy Innovation Products with the Addition of Gambir Catechins (Uncaria Gambir Roxb)”, And. Int. J. Agric. Nat. Sci., vol. 3, no. 01, pp. 26-36, Sep. 2023.