000
00316 a2200121 4500
082
_a
631.7
_b
PRO
090
_c
22158
_d
34802
245
_a
Proceedings of the national on- farm water management seminar Sri Lanka
300
_a
142p.
_c
29cm
650
_a
Water conservation
650
_a
Specific techniques
942
_c
L
999
_c
49557
_d
49557