来源:Cogent Economics & Finance , 2021
作者:Obsa Teferi Erena, Sara Adugna Debele, Mesfin Mala Kalko
关键词:Technical efficiency;Technological progress;...
使用许可:CC BY
来源:Cogent Economics & Finance , 2021
作者:Obsa Teferi Erena, Sara Adugna Debele, Mesfin Mala Kalko
关键词:Technical efficiency;Technological progress;...
使用许可:CC BY