(3JCedGJ ai GdeSGdg GdGbJUGOjI GdeUQjI (B/ s - (3eMehO YHOGdaVjds ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1983)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3GdebGdGJs; (3GdGMhGd GdGbJUGOjIs; (3GdYeGd GdegGLQhfs