Agricultural trends in India1947, 1891 -: Output, availability and productivity.
シカゴスタイル引用形Agricultural Trends in India1947, 1891 -: Output, Availability and Productivity.
MLA引用形式Agricultural Trends in India1947, 1891 -: Output, Availability and Productivity.
警告: この引用は必ずしも正確ではありません.