Browsing Publicaciones y documentos by Author "Gutiérrez, Mario"
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Report Sixth meeting of the Advisory Board of the Scientific Comminications Service
Instituto Interamericano de Ciencias Agrícolas (IICA); Gutiérrez, Mario; Sixth meeting of the Advisory Board of the Scientific Comminications Service Turrialba, Costa Rica 22-24 de Julio, 1957 (IICA, 1957)This document presents: -The journal Turrialba, -Photocopy service, -Bibliographies, -Extensión en las Américas, -Extensión Materials service, -Visual aid activities, -Home economics information, -Printing shop, -students ...