Franklin Nantui Mabe and Samuel A. Donkoh and Seidu Al-Hassan, Accounting for Rice Productivity Heterogeneity in Ghana: The Two-Step Stochastic Metafrontier Approach. journal = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2018, vol. 140(8). 223 - 232 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10009379.