非洲棕榈油行业技术扩散的事后评估：喀麦隆、贝宁和利比里亚的加州理工学院压榨机

Ex post evaluation of technology diffusion in the African palm oil sector: The Caltech expeller in Cameroon, Benin, and Liberia

• Catherine P. Bishop · 新英格兰大学 通讯