Foundations and changing practices in extension
Blackburn, Donald J.
Foundations and changing practices in extension - 1a. ed. - 159 páginas ; 28 cm.
0889551421
TRABAJO DE EXTENSION AGRICOLA
630.715 / B562f
Foundations and changing practices in extension - 1a. ed. - 159 páginas ; 28 cm.
0889551421
TRABAJO DE EXTENSION AGRICOLA
630.715 / B562f