000
00316nam a2200121Ia 4500
008
161121s9999 xx 000 0 und d
100
_a
Not Available
245
0
_a
Farm-Level constraints to high rice yiel
260
_c
International Rice Research Institute (IRRI)
365
_b
0
650
_a
NIL
942
_c
BK
999
_c
101452
_d
101452