000 00478nam a22001577a 4500
999 _c17957
_d17957
003 OSt
005 20210618112533.0
008 210618b ||||| |||| 00| 0 eng d
040 _aSEKU
050 _aTD 155
_b.K46
110 _4K.I.E.
245 _aTechnical , industrial, vocational and entrepreneurship training/craft certificate in water and sanitation engineering:
_bsyllabus snd regulations
300 _a262p.:
650 _aSanitation
_xwater supply
942 _2lcc
_cGEN