Ralph A. Rossum/ G. Alan Tarr
(9)
James M. Scott/ Ralph G. Carter/ A. Cooper Drury
(3)
Carter, Ralph G.,Scott, James M.
(2)
Christopher G. Nuttall/ Ralph Lister (NRT)
(2)
G. A. Henty/ Ralph Peacock (ILT)
(2)
Lilleker, Darren G. (Bournemouth University, UK),Koc-Michalska, Karolina (Audencia Business School, Nantes, France),Negrine, Ralph (University of Sheffield, UK),Gibson, Rachel (University of Manchest
(2)
Ralph A. Rossum, G. Alan Tarr and Vincent Phillip Munoz
(2)
Ralph G. Carter/ James M. Scott
(2)