📕 Source : CRS© - Guidelines for the development of small-scale rural water supply and sanitation projects. // 2005 // 52 pages // Dennis B. Warner, Carmela Green Abate. // ISBN 978 0 203 77214-0

https://www.crs.org/our-work-overseas/research-publications/guidelines-development-small-scale-rural-water-supply-and

Source : CRS © // Release year — 2005.

All rights reserved. No part of this publication may be reprinted or reproduced or utilized in any form or by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying and recording, or in any information storage or retrieval system, without the written permission of the publishers.

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