Practical action publishing dez 1991 (3 Ergebnisse)

Taschenbuch. Zustand: Neu. Neuware - In many developing countries access to veterinary services is a particular problem in rural areas, and poor farmers suffer significant losses due to preventable livestock diseases. This book describes three Intermediate Technology programmes built from local knowledge.…

Taschenbuch. Zustand: Neu. Neuware - Social Survey Methods is a readable guide to selecting and implementing an appropriate, affordable research method. Designed for those without a formal training in statistics, it includes advice on design of survey forms, interview methods and statistical analysis of results.…

Taschenbuch. Zustand: Neu. Neuware - Guides the reader systematically through the basic methods of hydrology and site survey and describes how to set up an appropriate scheme, with detailed technical information; also covers the essential economic considerations and maintenance requirements.