000 00543nam a22001697a 4500
003 OSt
008 180412b2016 xxu||||| |||| 00| 0 eng d
100 _aGurhemdeep singh
245 _aA comparative economic anal analysis of protected and open field cultivation of tomato in punjab
260 _aLudhiana
_bPAU
_c2016
300 _a49p.
502 _aIn thesis Section
_bM.Sc
_cDeptt. of Economics and sociology
_d2016
_gSidhu, Jagroop Singh
650 _alow tonnel
650 _acost and return
653 _aproductivity
942 _2ddc
_cT
999 _c184356
_d184356