ENPHO. (1992). Water quality testing in reconstruction & rehabilitation project area (sunsari, Morang, Dhankuta & Saptari).
Chicago-viite (17. p.)ENPHO. Water Quality Testing in Reconstruction & Rehabilitation Project Area (sunsari, Morang, Dhankuta & Saptari). 1992.
MLA-viite (8. p.)ENPHO. Water Quality Testing in Reconstruction & Rehabilitation Project Area (sunsari, Morang, Dhankuta & Saptari). 1992.
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