(3GdeGdjI GdYGeI hGdeHGOF GdGbJUGO GdeGdi (B/s - (3HGgQ eMeO YJdes ((3GdbGgQI (B:s (3OGQ GdfgVI eUQ,s, 1973)
(3HHdjhLQGajG(B: (3UaMGJ (B311-317.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeIs; (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs