Laurier, O.L.J; Schermer, A.D. (). The oriental challenge :Investigations on business opportunities un Thailand, Singapore and Indonesia /editors, O.L.J. Lauwerier & A.D. Schermer. Felf, The Netherlands :: Eburon, 1987.
Laurier, O.L.J; Schermer, A.D. The oriental challenge :Investigations on business opportunities un Thailand, Singapore and Indonesia /editors, O.L.J. Lauwerier & A.D. Schermer. Felf, The Netherlands :: Eburon, 1987,
Laurier, O.L.J; Schermer, A.D. The oriental challenge :Investigations on business opportunities un Thailand, Singapore and Indonesia /editors, O.L.J. Lauwerier & A.D. Schermer. Felf, The Netherlands :: Eburon, 1987, .