Prem, N. (1958). Mathematical for students of Economics. Sultan Chand & Co.
Lua i Stíl Chicago (17ú heag.)Prem, Narain. Mathematical for Students of Economics. NULL: Sultan Chand & Co, 1958.
Lua MLA (9ú heag.)Prem, Narain. Mathematical for Students of Economics. Sultan Chand & Co, 1958.
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