(3GdEceGd aj QaY GdGQJjGH Yf GdeDJda hGdeNJda aj GdCSeGA hGdcfi hGdCfSGH (B/s - (3GHf eGchdG, Ydj Hf gHI Gddg Hf Ydj,s 421-475 (3g`(B.s ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1990)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3jfbU GdCLRGA (B1(3, (B2.s
Keywords: (3GdCSeGA hGdcfi hGdCdbGH hGdCfSGH aj GdMOjKs; (3GdMOjKs -- (3GdLQM hGdJYOjds; (3GdMOjKs -- (3GdeDJda hGdeNJdas