(3aSdLI GdMGUdGJ GdRQGYjI h fehgG JMJ GdXQha GdLGaI (B:s (3GdTO GdQWhHi (B/s - (3YHO GddWja, GMeO QjGV (B.s ((3GdehUd (B:s (3eOjQjI OGQ GdcJH ddWHGYI h GdfTQ, LGeYI GdehUd,s, 1987)
(3Ydi QCS UaMI GdYfhGf(B: (3hRGQI GdJYdje GdYGdi h GdHMK GdYdei, LGeYI GdehUd (B.s
(3jMJhi Ydi bGFeI HHdjhLQGajI HGdeQGLY(B.s
1
Keywords: (3GdeMGUjd GdRQGYjI(B.s; (3GdfHGJs -- (3aSjhdhLjG(B.s