(3JMaI GdCQjH aj GdQO Ydi Cgd GdUdjH (B/s - (3GdJQLeGf, YHO Gddg Hf YHO Gddg,s (3J(B. (3HYO (B823 (3g`(B.s; (3MeGjI, eMehO Ydjs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1992)
Keywords: (3GdESdGes -- (3OaY eWGYfs; (3GdESdGe hGdeSjMjIs; (3GdGSJTQGb hGdeSJTQbhfs