Ravi, I. Bhashaabhyaasathinu oru Bhoomika.
Chicago Edition CitationRavi, Irinchayam. Bhashaabhyaasathinu Oru Bhoomika. Thiruvananthapuram, State Institute of Languages.
Cita MLARavi, Irinchayam. Bhashaabhyaasathinu Oru Bhoomika.
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