(3Jbjje GdCOGA (B:s (3OQGSI JMdjdjI (B/s - (3Ydj eMeO YHO GdhgGHs ((3GdbGgQI (B:s (3LGeYI GdOhd GdYQHjI(B-(3GdefXeI GdYQHjI ddYdhe GdEOGQjI, eQcR GdHMhK GdEOGQjIs, 1974)
(3HHdjhLQGajG (B: (3UaMI (B54.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Jbjje GdCOGAs; (3GdbGfhf GdEOGQjs