Links:
[1] http://admin.indiaenvironmentportal.org.in/news/new-malayalam-book-charts-traditional-aggro-practices
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agricultural-systems
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/traditional-knowledge
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/media
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala