FORMULASI DAN UJI STABILITAS SEDIAAN SPRAY GEL TABIR SURYA EKSTRAK ETANOL DAUN TAPAK DARA (Catharanthus roseus L.). fj [Internet]. 2025 Jan. 31 [cited 2026 Nov. 13];5(1):215-23. Available from: https://ojs.unhaj.ac.id/index.php/fj/article/view/1126