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Environmental resource utilization in communal Botswana
Opschoor, Johannes B., (1981)
Market structure, FDI, imitation and innovation : a model of North-South intellectual property rights conflict
Zhuang, Ziyin, (2010)
Market structure, technology spillovers, and persistence in productivity differentials
Cheung, Yin-Wong, (2001)
Economic approaches to environmental problems : techniques and results of empirical analysis
James, David E., (1978)
Environment, economy and sustainable development
Opschoor, Johannes B., (1992)
Economische structuur en milieudruk : Centraal Europa, 1970 - 1989
Rebergen, C., (1993)