(3GdLQGFe GdeVQI HBMGO GdfGS (B/s - (3QeSjS HgfGes ((3GdEScfOQjI (B:s (3efTCI GdeYGQa,s, 1990)
(3GdSQbI h GdfUH h NjGfI GdCeGfI (B- (3Jedc GdTF GdVGFY Ch EMJHGSg (B- (3GdJgOjO (B- (3EZJUGH GdSfOGJ h EHJRGR GdeGd (B- (3GdJaGdS (B- (3EYWGA Tjc ZjQ bGHd ddUQa (B- (3LQGFe GdMQjb (B- (3GdbPa h GdSH h EaTGA GdCSQGQ (B- (3GdYOhGf Ydi MQeI GdMjGI GdNGUI (B- (3GdeNGdaGJ(B.s
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFis; (3GdLQGFe GdeGSI HGdCTNGUs