(3GdCPcGQ (B/s - (3Gdfhhj, jMji Hf TQa Hf eQj,s 631-676 (3g`(B.s; (3GdCQfGDhW, YHO GdbGOQ,s 1338-1425 (3g`(B.s ((3GdQjGV (B:s (3OGQ GdgOi ddfTQ hGdJhRjY,s, 1990)
Keywords: (3eMeO (B((3Udi Gddg Ydjg hSde(B)(3,s -- 53 (3bHd GdgLQI(B-11 (3gLQjG(B.s