Applied chemistry of wastewater treatment /
Mancy, Khalil H.,
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 .
Agua--Purificacion--Instruccion programada
Aguas residuales--Purificacion--Instruccion programada
TD430 / M34 1977
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 .
Agua--Purificacion--Instruccion programada
Aguas residuales--Purificacion--Instruccion programada
TD430 / M34 1977