(3eNJGQGJ ef hKGFb JGQjN YeGf GdMOjK (B/ s - (3YHOGdaJGM MSf GHhYdjIs ([S.N] : (3OGQ GdeQjN ddfTQ , s, 1984)
Keywords: (3GdYUQ GdMOjKs; (3JGQjNs; (3GSJbdGd GdHdGO GdYQHjIs; (3SdWfI YeGfs