N V P Unithiri. (1991). Bharatheeya darshanathinte ariyappedatha mukham. Kerala Sastra Sahitya Parishad.
Chicago Stili AlıntıN V P Unithiri. Bharatheeya Darshanathinte Ariyappedatha Mukham. Kozhikode: Kerala Sastra Sahitya Parishad, 1991.
MLA AlıntıN V P Unithiri. Bharatheeya Darshanathinte Ariyappedatha Mukham. Kerala Sastra Sahitya Parishad, 1991.
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