(3GdJfejI GdbhejI hGdeTGQcI aj GdMce GdeMdj HGdeZQH (B/s - (3EHQGgje YHGS YWjIs ((3GdbGgQI (B:s (3LGeYI GdOhd GdYQHjI(B-(3GdefXeI GdYQHjI ddYdhe GdEOGQjI, eQcR GdHMhK GdEOGQjI,s, 1970)
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdMce GdeMdjs -- (3GdeZQHs; (3GdJfejI GdeMdjIs -- (3GdeZQHs; (3GdeTGQcI GdTYHjIs -- (3GdeZQHs