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https://elibrary.tucl.edu.np/handle/123456789/19000
https://elibrary.tucl.edu.np/handle/123456789/19001
https://elibrary.tucl.edu.np/handle/123456789/19004
https://elibrary.tucl.edu.np/handle/123456789/19006
https://elibrary.tucl.edu.np/handle/123456789/19012
https://elibrary.tucl.edu.np/handle/123456789/19016
https://elibrary.tucl.edu.np/handle/123456789/19019
https://elibrary.tucl.edu.np/handle/123456789/19020
https://elibrary.tucl.edu.np/handle/123456789/19023
https://elibrary.tucl.edu.np/handle/123456789/19029
https://elibrary.tucl.edu.np/handle/123456789/18937