(3SeQbfO (B/ s - (3YajaI OeTbjIs; (3Gejf eYdhas ([S.N] : (3OGQ GdaGQGHi , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs; (3GdbUU GdJGQjNjIs