Guptan, R. K. (1976). Samoohya vikasanavum vyapanavum. State institute of languages.
Chicago Edition CitationGuptan, R K. Samoohya Vikasanavum Vyapanavum. Trivandrum: State institute of languages, 1976.
MLA Edition CitationGuptan, R K. Samoohya Vikasanavum Vyapanavum. State institute of languages, 1976.
Warning: These citations may not always be 100% accurate.