APA Style
Vaughan, T.D., کرم حیدری. ().
Education and vocational guidance today .
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Chicago Style
Vaughan, T.D., کرم حیدری.
Education and vocational guidance today.
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MLA Style
Vaughan, T.D., کرم حیدری.
Education and vocational guidance today.
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,
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.
Turabian Style
Vaughan, T.D., کرم حیدری.
Education and vocational guidance today.
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,
.
.