Author: S. Gopal
Publisher:Orient Longman, New Delhi
Copyright:1981
Author: Prasad, H.Y. Sharada Damodaran, A. K. S. Gopal
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:2002
Author: Prasad, H.Y. Sharada Damodaran, A. K.
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:2002