http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Production productivity and prices a study on agricultural commodities in Kerala
Thesis (Ph. D.) -- Department of Economics, University of Calicut,
Appendix p.xii-xxvi, Bibliography p.xxvii-xli
agricultural commodities||Economics||prices||Production||productivity