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unknown unknown 1996 p.23-25
List of speakers and speeches at the Fourth High Level Seminar on Cleaner Production
unknown unknown 1996 p.26-28
National Cleaner Production Centres: their establishment and growth
Chandak, S. P. unknown 1996 p.29-32
A selection from oral and written contributions at the Oxford Seminar
unknown unknown 1996 p.29