Hartati, Hartati, Husain, Fadli, Slamet, Nangsih, Mohamad, Fihrina, AND Sapiun, Zulfiayu. " Antioxidant Activity Test of Corn (Zea mays L.) Silk Lip Balm Preparations with DPPH (1,1-Diphenyl-2-Picrylhydrazyl) Method" JURNAL ILMU KEFARMASIAN INDONESIA [Online], Volume 18 Number 2 (28 October 2020)