(3eLehYI GLJgGOGJ eMceI GdJejjR GdLRGFjI (B:s ((3HZQaJjgG(B) (3dYGej (B1972 (3h (B1973 /s ((3GdLRA GdKGdK(B)(3,s - (3SejQ YGdjIs ((3HjQhJ(B- (3dHfGf (B:s (3dG jhLO fGTQ eMOO,s, 1973)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFjs; (3GdfbVs; (3eMceI GdJejjR GdLRGFjIs