Influencia relativa de algunos métodos de extensión en la difusión de cierta tecnología ganadera

Abstract

By means of personal interviews and questionnaires. the opinions of some Costa Rican stockmen were gathered on the influence of some extension methods in the diffusion of certain animal husbandry techniques The order of influence of the methods was: 1) indirect influence; 2) individual methods; 3) mass methods, 4) group methods.