Karmacharya, A. P., & Shrestha, R. K. S. (1991). Water quality testing in Sirha (Area No. 2).
Lua i Stíl Chicago (17ú heag.)Karmacharya, Amresh P., agus Raj K. Shrestha Shrestha. Water Quality Testing in Sirha (Area No. 2). 1991.
Lua MLA (8ú heag.)Karmacharya, Amresh P., agus Raj K. Shrestha Shrestha. Water Quality Testing in Sirha (Area No. 2). 1991.
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