(3eHGOF JUfja GdecJHGJ (B/ s - (3QGfLGfGKGf, T(B.(3Q(B.s; (3GdMdhg, MSf Ydj MSfs ((3GdQjGV (B:s (3OGQ GdeQjN ddfTQ,s, 1986)
Keywords: (3GdJUfja (B((3ecJHGJ (B)s; (3GdcJHs