المؤلفون: Krasner, Stuart W., Barrett, Sylvia E., Dale, Melissa S., Hwang, Cordelia J.

المصدر: Journal (American Water Works Association), 1989 Feb 01. 81(2), 86-93.

الوصول الحر: https://www.jstor.org/stable/41292378Test

المؤلفون: Lalezary-Craig, Shala, Pirbazari, Massoud, Dale, Melissa S., Tanaka, Theodore S., McGuire, Michael J.

المصدر: Journal (American Water Works Association), 1988 Mar 01. 80(3), 73-80.

الوصول الحر: https://www.jstor.org/stable/41290992Test