User Details For: umashankargupta

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Comments List
  • Global positioning syatem

    very nicely explained
    • 03/08/2004
    • 12:11:52
    • Score: 6 out of 7 people found this comment useful.
  • Is platypus mammal

    Essay is quite good & informative.
    • 03/08/2004
    • 12:04:18
    • Score: 1 out of 1 people found this comment useful.