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Biblio

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Filters: Keyword is technology and Author is Herath, N.  [Clear All Filters]
2001
N. Herath, Manual 2, Hand-dug Wells, Revised edition. Nugegoda, Sri Lanka: NORAD, Norwegian Agency for Development Cooperation, 2001, p. 71 p. + 9 p. annexes : fig., photogr.
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