TEWARI O P. (1991). DIGEST OF CENTRAL EXCISE AND CUSTOMS CASES & GOLD CONTROL. WADHWA AND COMPANY.
Chicago-referens (17:e uppl.)TEWARI O P. DIGEST OF CENTRAL EXCISE AND CUSTOMS CASES & GOLD CONTROL. ALLAHABAD: WADHWA AND COMPANY, 1991.
MLA-referens (9:e uppl.)TEWARI O P. DIGEST OF CENTRAL EXCISE AND CUSTOMS CASES & GOLD CONTROL. WADHWA AND COMPANY, 1991.
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