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\LARGE{This certifies that the thesis of \cnx{} is approved.}

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2024-01-12\vspace{2ex}

\rule{10em}{0.1ex}\\Advisor: Jooyong Yi\vspace{2ex}

\rule{10em}{0.1ex}\\Mijung Kim\vspace{2ex}

\rule{10em}{0.1ex}\\Yuseok Jeon
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