Siregar, P. I., S. Pujiyanto, and A. T. Lunggani. “Inhibitory Activity of Endophytic Fungi Against Alpha-Amylase Isolated from Raru (Cotylelobium Melanoxylon)”. Berkala Penelitian Hayati, Vol. 28, no. 1, July 2022, pp. 44-50, doi:10.23869/bphjbr.28.1.20227.