(3GHMGK aj JGQjN GdTQGFY (B/s - (3Ydj HOhjs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI(B:s (3cdjI GdMbhb (B- (3LGeYI GdbGgQI ,s, 1931)
1
Keywords: (3GdJVGef GdSdHjs; (3Gdabg GdMOjKs; (3JGQjN GdTQGFYs; (3bGfhf GdYUhQ GdaWQjIs; (3GdfXe GdLfGFjIs