(3JcfhdhLjG JTZjd GdGdhGM(B: (3GdGfaQGOGJ (B/ s - (3eMehO Ydi GdedjLis; (3MSf agei (B((3eQGLY(B)s ([S.N] : (3OGQ GdacQ GdYQHi , s, 1975)
Keywords: (3GdUfGYGJ GdeYOfjIs; (3GdfeGPL GdQjGVjIs; (3YjfGJs