000 00483nam a22001817a 4500
999 _c4728
_d4728
003 OSt
005 20190715145714.0
008 190715b ||||| |||| 00| 0 eng d
020 _aNA
040 _c0
050 _a0
082 _222
_a628.72096883
100 _aNA
245 _aRural water supply operation and maintenance manual Vol- III /
260 _bPhilippiness, National water Resources council,
_cc 1980.
300 _aXvi,96p. '
_bNA.
_c24 cm.
942 _2ddc
_cCIVIL
_01