Lutfia, A. et al. 2019. Antagonistic Fungal Endophytes Colonizing Rhizome of Amomum centrocephalum A.D. Poulsen from North Sumatera, Indonesia. International Journal on Advanced Science, Engineering and Information Technology. 9, 4 (Aug. 2019), 1427–1433. DOI:https://doi.org/10.18517/ijaseit.9.4.8781.