World Development
World Development > 2011 > 39 > 8 > 1271-1280
World Development > 2011 > 39 > 10 > 1704-1723
World Development > 2011 > 39 > 11 > 1907-1917
World Development > 2011 > 39 > 11 > 1918-1929
World Development > 2011 > 39 > 8 > 1271-1280
World Development > 2011 > 39 > 10 > 1704-1723
World Development > 2011 > 39 > 11 > 1907-1917
World Development > 2011 > 39 > 11 > 1918-1929