Velayudhan T D. (2012). Keralathile mathsyangal. D C Books.
Chicago Edition CitationVelayudhan T D. Keralathile Mathsyangal. Kottayam: D C Books, 2012.
MLA Edition CitationVelayudhan T D. Keralathile Mathsyangal. D C Books, 2012.
Warning: These citations may not always be 100% accurate.