Alberdina Houtman (EDT)/ Albert De Jong (EDT)/ Magda Misset-van De Weg (EDT)
(1)
Albert Rijksbaron (EDT)/ I. J. F. De. Jong (EDT)/ Irene J. F. De Jong (EDT)
(1)
;de Jong, Anna (University of Glasgow, UK),Ngoasong, Michael Zisuh (Open University, UK),Kimbu, Albert Nsom (University of Surrey, UK)
(1)