THIRU A D. (1990). CUSTOMS VALUATION THROUGH QUESTINNAIR 1990. CENTAX PUBLICATIONS.
Chicago-čujuhus (17. p.)THIRU A D. CUSTOMS VALUATION THROUGH QUESTINNAIR 1990. NEW DELHI: CENTAX PUBLICATIONS, 1990.
MLA-čujuhus (9. p.)THIRU A D. CUSTOMS VALUATION THROUGH QUESTINNAIR 1990. CENTAX PUBLICATIONS, 1990.
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