000
00293nam a2200121Ia 4500
008
161121s9999 xx 000 0 und d
100
_a
RAY (GL);CHATTERJEE (P)
245
0
_a
Technological Gap and Constraints in Agr
260
_c
Naya Prakash
365
_b
0
650
_a
NIL
942
_c
BK
999
_c
102898
_d
102898