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Lua i Stíl Chicago (17ú heag.)Gupta, Atul Kumar. GST Concept & Roadmap. 2nd. Haryana: LexisNexis, 2016.
Lua MLA (9ú heag.)Gupta, Atul Kumar. GST Concept & Roadmap. 2nd. LexisNexis, 2016.
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