Indispensable for fieldworkers on projects or programmes aiming to reduce the incidence of water-and sanitation-related diseases, it will also be useful for other relief and development workers, particularly those working in the fields of communit…
Indispensable for fieldworkers on projects or programmes aiming to reduce the incidence of water-and sanitation-related diseases, it will also be useful for other relief and development workers, particularly those working in the fields of communit…
