Achyuthan, M. (1974). Educational practices in Manu, Panini and Kautilya. College Book House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAchyuthan, Mavelikara. Educational Practices in Manu, Panini and Kautilya. Trinandrum: College Book House, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAchyuthan, Mavelikara. Educational Practices in Manu, Panini and Kautilya. College Book House, 1974.
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