(3GdHjJ GdSHci (B: (3HjJ Yde ai OhdJi GdeeGdjc (B/ s - (3eMeO GdUGOb MSjfs ([S.N] : (3OGQ GdcGJH GdeUQi , s, 1948)
Keywords: (3OhdI GdeeGdjcs; (3GdJQGLes; (3GYdGe GdYQHs; (3GdGfSGH hGdGYQGbs; (3GdGfSGHs; (3GdSHci(B, (3JGL GdOjfs