(3eLehYI GdTQY GdcfjSj Ch bhGfjf GdcfjSI GdeSjMjI GdLGeYI (B/ s - (3cSGH, MfGfjG EdjGSs ((3HjQhJ (B:s (3efThQGJ GdfhQ,s, 1985)
Keywords: (3GdcfGFSs; (3GdeSjMjIs