Sharma, S. (1990). Tubewell water quality testingin R & R project area (Eastern Region of Nepal).
Chicago Style (17. basım) AtıfSharma, Sapana. Tubewell Water Quality Testingin R & R Project Area (Eastern Region of Nepal). 1990.
MLA (8th ed.) AtıfSharma, Sapana. Tubewell Water Quality Testingin R & R Project Area (Eastern Region of Nepal). 1990.
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