Cartilla de adiestramiento para operadores de plantas de tratamiento de aguas claras
Subtitle: [programa de la reforma administrativa, adiestramiento]
By: [INOS, OCRA].
Contributors: Ocra.
Publisher: INOS
Published: 1974
Place of publication: [Caracas]
Language: spa
Number of pages: 164
Subjects: Water treatment plants -- Handbooks, manuals, etc.