(3GJNGP GdbQGQ aj GdefXeI GdCefjI (B/s - (3GdLGHQj, YHGO Hf YHjO UbQs; (3YHO Gddg, YeGO MSjfs (1989)
(3edGMb (B: (3hQbI (B221-236.s
(3jTJed Ydj cTGaGJ(B.s
(3HHdjhLQGajI (B: (3hQbI (B211-220.s
(3jTJed Ydj EQLGYGJ HHdjhLQGajI(B.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GJNGP GdbQGQGJs -- (3GdSYhOjIs; (3GdbQGQGJ GdEOGQjIs -- (3bhGfjf hJTQjYGJs -- (3GdSYhOjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s