(3acQ Gddg ef fMh GdeGds - (3HQfS(B. (3OjQjcs ((3GdTQb GdGhSW dNOeGJ GdJQLeIs (3fjbhSjGs, 1997)
(3JQLeI UdGM YHGSjs
Keywords: (3GdeSjMjI (B- (3GdYHGOGJ s; (3GdeSjMjI (B- (3cJGHGJ GdeHTQjf s