(3SdWGJ GdTQWI hMbhb GdehGWf (B/s (3JCdja Ljg Hj gjd, cGQjf Ej adJTQ QhLQR ; JQLeI CTQa YhO, eMeO YHO GdQMef ; eQGLYI eUWai eeOhM, ceGd YHO GdQTjO ; ETQGa eOMJ RYJQ, CMeO WdYJ SYjO(B.s - (3gjd, Ljg Hjs; (3QhLQR, cGQjf Ej adJTQs; (3RYJQ, eOMJs; (3SYjO, CMeO WdYJs; (3YhO, CTQa YhOs; (3YHO GdQMef, eMeOs; (3eeOhM, eUWais; (3YHO GdQTjO, ceGds ((3GdbGgQI (B:s (3CcGOjejI GdTQWI,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdJMbjb GdLfGFjs -- (3eUQs; (3GdMLR GdJMaXjs -- (3eUQs; (3GdTQWIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3bGfhf GdELQGAGJ GdLfGFjIs -- (3eUQs