K. A. S. T. N. D. M. R. S. U Gupta, A K Biswas, “Incidence of Phoma leaf spot disease of large cardamom (Amomum subulatum Roxb.) and in vitro evaluation of fungicides against the pathogen”, J Spices Arom Crops, vol. 20, no. 2, pp. 86–88, Dec. 2011.