search query: @author Widmer, R. / total: 2
references: 1-2 / 2
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1.
Producer responsibility for e-waste management: Key issues for consideration – Learning from the Swiss experience
Journal of Environmental Management
2009 : JAN, VOL. 90:1, p. 153-165
 2009 Khetriwal, D. S.
Kraeuchi, P.
Widmer, R.
2.
Visionen im Management.
Management-Zeitschrift Industrielle Organisation
1988 : VOL. 57:2, p. 77-79
 1988 Widmer, R.
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