(3eMGVQGJ ai LHQGf Ndjd LHQGf(B: (3SjQJg hJchjfg GdKbGai heDdaGJg GdYQHjI (B/ s - (3GfWhGf ZWGS cQes ([S.N] : (3eYgO GdOQGSGJ GdYQHjI GdYGdjI , s, 1964)
Keywords: (3GdGOHGAs; (3GdJQLeIs