M. M. Paddu Krishnappa Shetty1, Raju Ravi2, Alappan Subbiah3, Murigendra B. Hiremath1, “Environmental Impacts of Intensive Cardamom (Small) Cultivation in Indian Cardamom Hills: The Need for Sustainable and Efficient Practices”, RRST, vol. 3, no. 2, Jan. 2011.