Evaluatie van de tuinbouwvoorlichting in het Westland en de Kring 1969;;Evaluation horticultural information in horticultural area 1969

负责人：

Proefstation Voor De Groente- En Fruitteelt Onder Glas * Naaldwijk (Research Initiator) ;;Visser, J. (Data Collector)

关键词：

masscommunication Cultural anthropology Sociology education agriculture organization massmedia Temporal coverage: 1969

DOI：

doi:10.17026/dans-255-wr3b

摘要：

Evaluation of horticultural information service in the horticultural area, among horticultural farmers using glass-houses. Characteristic