[Public promotion and relations in drinking water and sewage programs. A sociological approach].
D002489:Central America; D006285:Health Planning; D008800:Mexico; D011641:Public Relations; D012722:Sewage; D013020:South America; D014881:Water Supply
D012722:Sewage
Promoción y relaciones públicas en los programas de agua potable y alcantarillado. Un enfoque sociológico.