OSWAL. (2019). ISC QUESTION BANK CHAPTERWISE AND TOPICWISE CLASS 12 BUSINESS STUDIES. OSWAL PUBLISHERS.
Chicago-čujuhus (17. p.)OSWAL. ISC QUESTION BANK CHAPTERWISE AND TOPICWISE CLASS 12 BUSINESS STUDIES. AGRA: OSWAL PUBLISHERS, 2019.
MLA-čujuhus (9. p.)OSWAL. ISC QUESTION BANK CHAPTERWISE AND TOPICWISE CLASS 12 BUSINESS STUDIES. OSWAL PUBLISHERS, 2019.
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