Karunakaran,C K. (1992). Keralathile vanagal noottandukaliloote: Kerala forest through centuries. State institute of languages.
Chicago Edition CitationKarunakaran,C K. Keralathile Vanagal Noottandukaliloote: Kerala Forest Through Centuries. Thiruvananthapuram: State institute of languages, 1992.
MLA Edition CitationKarunakaran,C K. Keralathile Vanagal Noottandukaliloote: Kerala Forest Through Centuries. State institute of languages, 1992.
Warning: These citations may not always be 100% accurate.