Dey,Subhash. Business Studies: XII Part-1. Shree Radhey.
Chicago-čujuhus (17. p.)Dey,Subhash. Business Studies: XII Part-1. Shree Radhey.
MLA-čujuhus (9. p.)Dey,Subhash. Business Studies: XII Part-1. Shree Radhey.
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