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Sumantri J Yuwono

I am just an ordinary man. have married with two kids and beautiful wife.

Spoken at 1 event in 1 country

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Sumantri J Yuwono recently attended

  1. 6th Annual Mobile VAS Summit 2012

    Malaysia Malaysia, Kuala Lumpur

    14th15th March 2012

    Sumantri J Yuwono spoke