(3GdOjehZQGajG JMdjd h feGPL (B/s - (3gGfQj , dhjS s; (3UjGQjs ((3GdLRGFQ (B:s (3OjhGf GdeWHhYGJ GdLGeYjI ,s, 1984)
Keywords: (3GdOjehZQGajG s; (3JMdjd s; (3feGPL s