Gusmayadi, Inding, and Priyanto Priyanto. “Concentration Ratio of Gelatine and Polyvinylpyrrolidone As Binder on Physical Properties of Red (Zingiber Officinale Rosc.) Extract Lozenges”. Ad-Dawaa : Journal of Pharmacy 2, no. 1 (May 30, 2024): 35–49. Accessed July 3, 2024. https://ojs.stikesmucis.ac.id/index.php/dwj/article/view/558.