Showing 1 - 2 results of 2 for search 'Van Nostrand, John Cornelius 1949-', Forespørselstid: 0.01s Refine Results
  1. 1

    The ventilated improved double pit latrine a construction manual for Botswana af Van Nostrand, John Cornelius 1949-

    Udgivet 1983
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    The ventilated improved double pit latrine a construction manual for Botswana
  2. 2

    Rural ventilated improved pit latrines a field manual for Botswana af Van Nostrand, John Cornelius 1949-

    Udgivet 1983
    Bog

    Rural ventilated improved pit latrines a field manual for Botswana

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