Unnikrishnan G & Venugopalan S. (1994). Economic Status of Agricultural Labourers in Thiruvananthapuram District. Department of Agricultural Economics, College of Agriculture.
シカゴスタイル引用形Unnikrishnan G , Venugopalan S. Economic Status of Agricultural Labourers in Thiruvananthapuram District. Vellayani: Department of Agricultural Economics, College of Agriculture, 1994.
MLA引用形式Unnikrishnan G , Venugopalan S. Economic Status of Agricultural Labourers in Thiruvananthapuram District. Department of Agricultural Economics, College of Agriculture, 1994.
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