Sen, S. (1972). An Introduction to Economic Theory (26th.). Bookland Pvt. Ltd.
Cita Chicago Style (17a ed.)Sen, S. An Introduction to Economic Theory. 26th. NULL: Bookland Pvt. Ltd, 1972.
Cita MLA (9a ed.)Sen, S. An Introduction to Economic Theory. 26th. Bookland Pvt. Ltd, 1972.
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