000 00321nam a2200121Ia 4500
082 _a628.7
_bOZA
100 _aOza, Pushpak P.
245 _aRural sanitation systems.
260 _aBangalore,New Delhi etc
_bAll India Council for Technical Education
300 _aiii, iii, 63p.
890 _aIndia
999 _c29622
_d29622