(3Yde GdGLJeGY GdOjfj (B/s - (3Rjed, LhQLs; (3OjQcj, eMeOs ((3HjQhJ (B:s (3GdefGQI,s, 1993)
(3bGFeI eUWdMGJ YQHj(B-(3EfLdjRj (B: (3UaMI (B113-120.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3Yde GdGLJeGY GdOjfjs