(3OQGSGJ ai JGQN GdTQb GdbOje eUQ hGdYQGb(B- (3ShQjG(B- (3Gdjef(B- (3GjQGf (B/ s - (3GMeO aNQis ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1958)
Keywords: (3GdMVGQI GdaQYhfjIs; (3GdMVGQI GdTQbjIs; (3GdMVGQI GdjefjI GdbOjeIs; (3MVGQI GdYQGb GdbOjeIs