Alhaji M. H. Conteh and  Xiangbin Yan and  Issa Fofana and  Brima Gegbe and  Tamba I. Isaac,  An Estimation of Rice Output Supply Response in Sierra Leone: A Nerlovian Model Approach.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 225 - 233
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997705.