000
00251nam a2200109 4500
082
_a
581.584 KAL-T
100
_a
Kalpana R.
245
_a
Textbook on organic farming
260
_a
Ludhiana
_b
Kalyani
_c
2021
300
_a
277
942
_2
ddc
_c
BK
_0
3
999
_c
136667
_d
136667