(3GdGFeI GdGKfG YTQ (B((3Y(B) : s (3OQGSI JMdjdjI (B/ s - (3GdGOjH, YGOd, s ([(3HjQhJ, dHfGf(B] : s (3GdOGQ GdGSdGejI, (B399 (3g`(B. = 1979.s, 1979)
(3jJVef EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3Ggd HjJ GdQShd Ydjge GdSdGe (B((3TjYI(B)s; (3GdGSdGe hGdSjGSI (B((3TjYI(B)s