Ramankutty P V. (2005). Kritiyum kazchayum. Vallathol Vidyapeedham.
Chicago Edition CitationRamankutty P V. Kritiyum Kazchayum. Sukapuram: Vallathol Vidyapeedham, 2005.
Deismireacht MLARamankutty P V. Kritiyum Kazchayum. Vallathol Vidyapeedham, 2005.
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