Parthasarathy, P.B.Usha, K.2017-06-032017-06-031992http://krishikosh.egranth.ac.in/handle/1/5810017405en-UScosts, farms, cotton, labour, productivity, income, small farms, tillage equipment, crops, hybridsRegional Variations In The Cost Structure And Profitability Of Cotton In Andhra Pradesh - An Empirical StudyAgricultural EconomicsThesis