3 Comments

  1. dr.lakshminarayanan says:

    Good video collection &quite good ,useful for teaching
    thank you

  2. I wish we could show this picture to all of our ctln’s over using their ct’s so they would be more responsible!!! I know this a totally dif meaning! I so like this pic…:)

  3. Dr V.R.Vijayaraghavan says:

    useful videos and photos. I shall be using them for teaching my students

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