(2009). . Agricultural Economics and Development, 17(1), 137-145.
. "", Agricultural Economics and Development, 17, 1, 2009, 137-145.
(2009). '', Agricultural Economics and Development, 17(1), pp. 137-145.
, "," Agricultural Economics and Development, 17 1 (2009): 137-145,
. Agricultural Economics and Development, 2009; 17(1): 137-145.
