journals.atu.ac.irjournals.atu.ac.ir/article_4821_798e500d5018f64c94f4c3ccf87a0194.pdf · :(Vittas...

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Transcript of journals.atu.ac.irjournals.atu.ac.ir/article_4821_798e500d5018f64c94f4c3ccf87a0194.pdf · :(Vittas...