Browsing by Author "Wierer, Karl"
Now showing items 1-1 of 1
-
Report on the Use of Visual Aids for Teaching Agricultural Marketing
Wierer, Karl; Instituto Interamericano de Ciencias Agrícolas (IICA) (1969)Some visual aids are presented; Graphics, slides, product samples and specialty boards are especially displayed. The main aspects that will be discussed are the themes used for the visual aids, the size of the material and ...