The mofified training and visit system in the Philippines : a study on the extension delivery system in region III
NAGEL, Uwe Jens
The mofified training and visit system in the Philippines : a study on the extension delivery system in region III - Berlin FIA 1983 - XVII-214p. ill.
AGRICULTURE
VULGARISATION
Philippines
The mofified training and visit system in the Philippines : a study on the extension delivery system in region III - Berlin FIA 1983 - XVII-214p. ill.
AGRICULTURE
VULGARISATION
Philippines