(3GdWHbGJ GdcHQi (B/s - (3GHf SYO, eMeO Hf SYO Hf efjY,s 168-230 (3g`(B.s ((3HjQhJ (B:s (3OGQ UGOQ,s, 1960)
(3jTJed GdLRA GdJGSY Ydi cTGaGJ(B.s
Keywords: (3GdUMGHI hGdJGHYhfs -- (3JQGLes; (3GdSjQI GdfHhjIs