(3JaJjT GdCeGcf aj eQMdI GdJMbjb hJWHjbGJg aj GdbVGA GdchjJj (B:s ((3OQGSI JMdjdjI hJCUjdjI ebGQfI(B) /s - (3GdOjMGfj, agjO eMSf YhjSs; (3YhV, eMeO eMjj GdOjfs (2000)
(3jTJed Ydi edGMb(B.s
(3HHdjhLQGajI (B: (3hQbI (B241-250.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdJaJjT GdLfGFjs -- (3GdchjJs; (3GdJMbjb GdLfGFjs -- (3GdchjJs; (3bGfhf GdELQGAGJ GdLfGFjIs -- (3GdchjJs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s