girsang, ermi, and Chrismis Novalinda. 2020. “MANFAAT EKSTRAK KULIT SALAK (SALACCA ZALACCA) DAN CHLOROGENIC ACID TERHADAP SEL FIBROBLAST (BJ) INDUKSI UV”. PUBLISH BUKU UNPRI PRESS ISBN 1 (1). https://jurnal.unprimdn.ac.id/index.php/ISBN/article/view/1140.