Mancy, Khalil H., <br/><br/>
Applied chemistry of wastewater treatment / 
By k. h. mancy, nina mcclelland, f. g. pohland ; consultants j. h. Austin, c. t. wezernak, John, havens 
 - 4 
 - volúmenes 
 - Programmed learning series ;  v. 8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Purificacion--Instruccion programada<br/>Aguas residuales--Purificacion--Instruccion programada
<br/><br/><label>LC Class. No.: </label>TD430  / M34 1977