(3JGQjN GdLRGFQ JVMjGJ h GfJUGQGJ (B:s (3ef (B1671 (3Gdi (B1962 /s - (3YOGdI, QGHMs ((3GdLRGFQ (B:s (3OGQ GdeLGgO ddfTQ h GdJhRjY ,s, 2017)
Keywords: (3GfJUGQGJ s; (3JGQjN GdLRGFQ s; (3JVMjGJ s; (3JGQjN s