Alhaji M. H Conteh and  Xiangbin Yan and  Alfred V Gborie,  Assessing the Effect of the Shift of Rural Labor towards Non-Agricultural Sectors on Rice Cultivation in the African Environment: Evidence from Sierra Leone.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 80(8). 2455 - 2460
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/16634.