Estiyani, T. (2010). BlackBerry Super Mudah. Universitas Atma Jaya.
Chicago Style (17th ed.) CitationEstiyani, Tri. BlackBerry Super Mudah. Universitas Atma Jaya, 2010.
MLA (8th ed.) CitationEstiyani, Tri. BlackBerry Super Mudah. Universitas Atma Jaya, 2010.
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