(3GeQGV GdMjhGf h GdOhGLf (B/s - (3CQSdGf, SGeM gOGjJs; (3eUdM, fRGQ LHGQs; (3HTjQ, gTGe YHO Gddgs ((3GdehUd (B:s (3eOjQjI OGQ GdcJH ddWHGYI h GdfTQ,s, 1989)
(3Ydi QCS UaMI GdYfhGf(B: (3hRGQI GdJYdje GdYGdi h GdHMK GdYdei, LGeYI GdehUd(B.s
(3jMJhj Ydj bGFeI HHdjhLQGajI HGdeQGLY (B((3U(B239)s
1
Keywords: (3GdMjhGfGJs -- (3CeQGVs; (3GdOhGLfs -- (3CeQGV(B.s