(3JGKjQ GdJdaRjhf hGdajOjh Ydi GdbQjI GdeUQjI (B- (3OQGSI ejOGfjI Ydi YjfI ef GSQGQ GdegGLQjjf GdYGFOjf (B/ s - (3YHOGdhgGH cMjds ([S.N] : (3ecJHI GdeOjfI , s, 1987)
Keywords: (3GdeLJeYs; (3GdajOjhs; (3GdJdjaRjhfs; (3GdGLJeGYs; (3GdGKGQs; (3GdGYdGes; (3GdbQjIs