Ahmed Hamoud Maamiry
Seminar on Developments in Consumer Psychology (1973 Maidenhead (U.K.))
United States. National Bureau of Standards.
James P. Blaylock
Daniel Weissbort
D. H. Turner
Great Britain. Ministry of Education.
Claus Träger
Anthony Richard Birley
Robin Green-Blair
R. D. Peacock
Jürgen Kuczynski
W. Schramm
H. Levin
J. Mayne