R. Suresh, S. Thampiraj, and A. Stephen, “Antibacterial activities of wild rhizomatous plants - Zingiber officinalis, Zingiber zerumbet (Zingiberaceae) and synergistic effects of both collected from southern Western Ghats, India”, IJRBS, vol. 7, no. 2, pp. 26-33, Aug. 2020.