Elfita, R. Oktiansyah, Mardiyanto, A. Setiawan, and H. Widjajanti. “Combination Effect of Extracts and Pure Compounds of Endophytic Fungi Isolated from Sungkai (Peronema Canescens) Leaves on Antioxidant Activity”. Science and Technology Indonesia, vol. 9, no. 1, Jan. 2024, pp. 69-76, doi:10.26554/sti.2024.9.1.69-76.