@article{Sunge2019, author = "Regret Sunge and Nicholas Ngepah", title = "{Appendix_4_INSTRUCTION__DOFILE - Agricultural trade liberalization, regional trade agreements and agricultural technical efficiency in Africa}", year = "2019", month = "8", url = "https://sage.figshare.com/articles/journal_contribution/Appendix_4_INSTRUCTION_DOFILE_-_Agricultural_trade_liberalization_regional_trade_agreements_and_agricultural_technical_efficiency_in_Africa/9746798", doi = "10.25384/SAGE.9746798.v1" }