Rajagopalan, P. (1990). Vanijya bhoomisastram. State Institute of Languages.
Chicago Edition CitationRajagopalan, P. Vanijya Bhoomisastram. Trivandrum: State Institute of Languages, 1990.
MLA Edition CitationRajagopalan, P. Vanijya Bhoomisastram. State Institute of Languages, 1990.
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