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1
System of experimental design : engineering methods to optimize quality and minimize costs /
Published 1987“…New York : UNIPUB,…”
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2
Low-cost technology options for sanitation : a state-of-the-art review and annotated bibiliography /
Published 1982“…New York : Unipub,…”
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3
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4
Man and the environment : a bibliography of selected publications of the United Nations System 1946-1971 /
Published 1972“…New York : Unipub,…”