(3QbGHI GdbVGA dCYeGd GdEOGQI GdYGeI(B.s (3GdcJGH GdChd,s (3JfXje GdQbGHI Ydi CYeGd GdEOGQI GdYGeI (B/s - (3WYjeI GdLQas ((3GdbGgQI (B:s (3ecJHI GdbGgQI GdMOjKI,s, 1962)
(3Mbhb GdWHY eMahXI ddeDda(B.s
(3jTJed GQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdEOGQjs; (3GdQbGHI Ydj CYeGd GdGOGQIs