Pillai, P. S. (1975). Phosil sasya sastra pravesam_. State Institute of Languages.
Dyfyniad Arddull ChicagoPillai, P Somanatha. Phosil Sasya Sastra Pravesam_. Trivandrum: State Institute of Languages, 1975.
Dyfyniad MLAPillai, P Somanatha. Phosil Sasya Sastra Pravesam_. State Institute of Languages, 1975.
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