(3ELGRI GdJgGej CLGR HgG GdTjN YHO Gddg GdcaQGhj ef WQjb GdTGWHjI hGdOQI SfI (B( 1957 (3e (B)s - (3GdJgGej , CMeO GdOQj, s
(3JHUjQGJ JCQjNjI (B:s
1257 (3g`s
(3eUOQ GbJfGA GdCUd (B:s
(3GdecJHI GdCRgQjIs
(3ehGUaGJ GdhYGA (B:s
(3Qbej edhfs
Keywords: (3GdbQGAGJ hGdJLhjOs