Alex Hetherington (Hetherington, Alex)

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  Best Available Technologies: A Guide for the Namibian Fish Processing Industry
  by Namibia, Alex Hetherington
  Hardcover, Ministry of Environment and Tourism, Directorate [of] Environmental Affairs, ISBN 086976702X (0-86976-702-X)
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  Cleaner Production in Namibian Industries: Regulators Guide to the Promotion of Cleaner Production in Namibian Industries
  by Namibia, Alex Hetherington
  Hardcover, Ministry of Environment and Tourism, Directorate of Environmental Affairs, ISBN 0869767011 (0-86976-701-1)