Nalappat Narayana Menon, . (1935). Sapthanyam. : Vanneri; Punnayurkulam.
Nalappat Narayana Menon, . 1935. Sapthanyam. : Vanneri; Punnayurkulam.
Nalappat Narayana Menon, . Sapthanyam. : Vanneri; Punnayurkulam. 1935.