Nature friendly water purifier ;
633.37VAL
Valsamma V.T.
Nature friendly water purifier ; A study on the basis of moringa oleifera seed powder/ by Valsamma V.T..- Kerala:Gmotivation an imprint of green books private limited,2014.
200p.ill.;21cm(pbk)
Note: its include table and figure
ISBN:978-93-88830-18-8 Rs. 240.00
DBAD/PUB /ENG-126132/ EN-109664 / 240.00 /sign