GURUSUBRAMANIAN, G., M. SARMAH, A. BASIT, B. BHATTACHARYYA, and A. Rahman. “Ovicidal, Acaricidal and Growth Inhibitory Activity of Xanthium Strumarium L., Acorus Calamus L., and Pongamia Pinnata L. (Pierre) Against a Major Pest of Tea, Oligonychus Coffeae Nietner (Tetranychidae : Acarina)”. International Journal of Tea Science, Vol. 6, no. 03, Oct. 2007, pp. 01-14, doi:10.20425/ijts.v6i3.4691.