(3SdSdI ePcQGJ GdNQSGfI GdeSdMI (B2(3eL(B1 , 2(3eL(B2 , 1(3eL(B4 , 2(3eL(B5 .(3HYV GdGLPGA HGddZI GdGfLdjRjI (B/ s - (3e(B.(3G(B. (3Mdeis; (3S(B.(3G RGjOs; (3GHQGgje GdOShbi bQjTs; (3YRGdOjf QeRi RZdhds ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1986)
Keywords: (3GdNQSGfI GdeSdMIs; (3GYeGd GdJTjjOs