(3GdMK Ydi WdH GdYde hGdGLJgGO aj LeYg (B/s - (3CHh gdGd GdYScQj, GdMSf Hf YHO Gddg Hf Sgd,s (3Jhaj HYO (B395 (3gLQjG(B.s; (3bHGfj, eQhGfs ((3HjQhJ (B:s (3GdecJH GdESdGej,s, 1986)
(3HHdjhLQGajI (B: (3U(B. 93-98.s
Keywords: (3GdESdGe hGdYdes; (3COGH WGdH GdYdes