Grigoryev, V., & Myakishev, G. B. J. (1974). Prakrtiyute balangal. State Institute of Languages.
Chicago Style aipamenaGrigoryev, V., and G Babu Joseph Myakishev. Prakrtiyute Balangal. Trivandrum: State Institute of Languages, 1974.
MLA aipamenaGrigoryev, V., and G Babu Joseph Myakishev. Prakrtiyute Balangal. State Institute of Languages, 1974.
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