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: Jurnal Penelitian dan Pengabdian Masyarakat, [S. l.], v. 3, n. 2, p. 19–25, 2019. DOI: 10.46808/farmasindo.v3i2.21. Disponível em: https://www.farmasindo.poltekindonusa.ac.id/index.php/jurnal_farmasindo/article/view/21. Acesso em: 19 jun. 2026.