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Filters: Keyword is blair latrines and Author is Blair Research Institute -Harare, ZW  [Clear All Filters]
1990
Blair Research Institute -Harare, ZW, «The Blair latrine : a builders manual for the 2 bag model». Blair Research Laboratory, Harare, Zimbabwe, p. 11 p. : drawing, 1990.
Blair Research Institute -Harare, ZW, «The Blair latrine : a builders manual for the 3 bag model». Blair Research Laboratory, Harare, Zimbabwe, p. 14 p. : drawing, 1990.