(3GdWad GdeJNda YbdjG ai GdeMjW GdGSQi hGdKbGai (B: (3OQGSI MGdGJ ef GdeLJeY GddHfGfi (B/ s - (3efi ajGVs ([S.N] : (3eYgO GdGfJeGA GdYQHi , s, 1983)
Keywords: (3GdGSQIs; (3GdGWaGds; (3dHfGfs; (3GdfSds; (3GdJNda GdYbdis; (3GdGeQGV GdYbdjIs