FORMULASI DAN PENENTUAN NILAI SUN PROTECTION FACTOR (SPF) BEDAK PADAT TABIR SURYA EKSTRAK ETANOL DAUN TAPAK DARA (Catharantus roseus L.). fj [Internet]. 2025 Jan. 31 [cited 2026 Nov. 13];5(1):75-86. Available from: https://ojs.unhaj.ac.id/index.php/fj/article/view/1098