Author: S. Gopal
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:1985
Author: S. Gopal
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:1994
Author: Mitra, Rathin
Publisher:Garhwal Mandal Vikas Nigam Ltd. 74/1 Dehradun-248001, Uttar Pradesh, India
Copyright:1994