Krishnan E., . (1973). Ira Tetunna Puli. Trivandrum: State insitute of languages; Trivandrum.
Krishnan E.A, . 1973. Ira Tetunna Puli. Trivandrum: State insitute of languages; Trivandrum.
Krishnan E.A, . Ira Tetunna Puli. Trivandrum: State insitute of languages; Trivandrum. 1973.