Prabhakara Variar, K. M. (1972). Adhunika bhasha sasthram. State Institute of Languages.
Chicago Edition CitationPrabhakara Variar, K. M. Adhunika Bhasha Sasthram. Thiruvananthapuram: State Institute of Languages, 1972.
MLA Edition CitationPrabhakara Variar, K. M. Adhunika Bhasha Sasthram. State Institute of Languages, 1972.
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