Suhesti I. PENGARUH METODE PENGERINGAN BEKU (Freeze Drying) TERHADAP NILAI TOTAL FENOL DAN NILAI SUN PROTECTION FACTOR (SPF) EKSTRAK ETANOL BIJI KOPI ROBUSTA (Coffea canephora Pierr A. Froehner). Jurnal Farmasindo [Internet]. 2019Dec.30 [cited 2026Jun.19];3(2):19-25. Available from: https://www.farmasindo.poltekindonusa.ac.id/index.php/jurnal_farmasindo/article/view/21