(3GdEOGQI (B:s (3OQGSI JMdjdjI ddhXGFa hGdbQGQGJ GdEOGQjI (B/s - (3YdGbj, eOfj YHO GdbGOQ,s 1359 (3gLQj(B-s ((3LOI, GdSYhOjI (B:s (3JgGeI,s, 1990)
(3HHdjhLQGajI (B: (3U(B. 483-494.s
Keywords: (3JMdjd GdhXGFas; (3GdbQGQGJ GdEOGQjIs; (3EOGQI GdCaQGOs; (3EOGQI GdCYeGds