(3GdJaGVd hGdJcGed (B/s (3GdLRA GdGhds - (3SjQghQjK dGe(B.s; (3OcJhQ Rcj eQSj eMeO(B.s; (3OcJhQ QGLj Mdje ebGQ(B.s; (3GdGSJGP fGOQ GdfGHdSj(B.s; (3OcJhQ aDGO eMeO QLH(B.s; (3OcJhQ eMeO eQSj GMeO(B.s ((3GdbGgQI(B:s (3GdeLdS GdGYdj ddYdhe(B,s, 1960)
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHj(B.s