(3TQM bGfhf GdYbhHGJ GdeUQj(B: (3GdLRA GdChd(B: (3aj GdLQGFe GdeUQI HGdeUdMI GdYehejI s - (3CMeO Cejfs; (3Ydj CMeO QGTOs ((3eUQs (3dLfI GdJCdja hGdJQLeI hGdfTQs, 1949)
Keywords: Social Sciences (3GdYdhe GdGLJeGYjIs; General