[Study on the effectiveness of the "Berlin Letters for Seniors (author's transl)]. [electronic resource]

[Study on the effectiveness of the "Berlin Letters for Seniors (author's transl)]. [electronic resource] — المؤلف: Fisseni, H J — Oct 1978

المؤلف
Fisseni, H J
النشر
Oct 1978
الوصف
529-35 p.
الموضوعات
Aged؛ Berlin؛ Communication؛ Consumer Behavior؛ Female؛ Germany, West؛ Humans؛ Information Services