(3gd CfJ LjO HeG jcaj?s 15 (3hSjdI dHfGA YbdjI hGKbIs - (3eGcaGQdGf, Hjds; (3jdhGjR, CdjcSs; (3ecJHI LQjQs ((3GdQjGVs (3ecJHI LQjQs, 2011)
(3GdfU eJQLe Edi GddZI GdYQHjI ef GddZI GdGfLdjRjIs
1 11 13 21
Keywords: (3GdKbI HGdfaSs; (3GdfLGMs; (3Yde GdfaS GdJWHjbjs