Gopimani, R. (1980). Keralattile Karakrsi. State Institute of Languages.
Dyfyniad Arddull ChicagoGopimani, R. Keralattile Karakrsi. Trivandrum: State Institute of Languages, 1980.
Dyfyniad MLAGopimani, R. Keralattile Karakrsi. State Institute of Languages, 1980.
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