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Results 31 - 34 of 34: (Number of pages: 4)

31. The design of filters with low cost materials for small communities * (1982)
    Vigneswaran, S
32. The use of markov renewal theory in rural water supplies * (1982)
    Achuthan, K
33. Unconventional low cost simplified sewage treatment by rotating biological contactor and anaerobic (upflow) filter system * (1982)
    Raman, V
34. Up-grading of Basti Saidan Shah * (1982)
    Sikander, S

 

 

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