| July 2007 | - “TOEFL Prediction Test” at EME Yogyakarta with scores : 447.
- “Japanese Basic 1” course at Alfabank Yogyakarta.
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| June 2007 | - “English 1st Level” course at Alfabank Yogyakarta.
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| July 2005 | - “Practical Training” at STTN - Batan (Polytechnic Institute of Nuclear Technology – National Nuclear Energy Agency), Yogyakarta.
- “Pengabdian Masyarakat” at STTN – Batan, Yogyakarta.
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| March 2005 | - “National seminar and demo free phone via internet by VoIP” at UPN “Veteran” Yogyakarta.
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| August 2004 | - “Computer Network with Linux” training at UPN “Veteran” Yogyakarta.
- “PHP (Web Programming)” training at UPN “Veteran” Yogyakarta.
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| May 2004 | - “Workshop Direct Cable Connection” at STMIK AMIKOM Yogyakarta.
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| November 2003 | - “Workshop of PC assembling and Linux installation” at Sanata Dharma University Yogyakarta.
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2005-2010
