Sharma, S. (1990). Tubewell water quality testingin R & R project area (Eastern Region of Nepal).
Cita Chicago (17th ed.)Sharma, Sapana. Tubewell Water Quality Testingin R & R Project Area (Eastern Region of Nepal). 1990.
Cita MLA (8th ed.)Sharma, Sapana. Tubewell Water Quality Testingin R & R Project Area (Eastern Region of Nepal). 1990.
Atenció: Aquestes cites poden no estar 100% correctes.