Studies in the field to date have focused on merely estimating the impact of agriculture on factors such as ... but the research must also provide a better understanding of how the process of modernization takes place at the firm level ...

Methodology for studying linkage effects of agricultural modernization . Ontario , Can . , Econolynx International . FREIRE DE SOUSA , I.S. 1989. Modernización del sector soya en Brasil . Informe final de consultoría . Brasilia , IICA .