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American Society for Testing and Materials, Symposium on Water Quality Parameters (1973 : Ontario, Canada)

Abbasi, Tasneem, Abbasi, S. A.

Mills, W. B., United States. Environmental Protection Agency. Office of Research and Development

Yokel, Bernard J.

Wesley, Eckenfelder W, Ford, Davis L., Englande, A. J., Eckenfelder, W. Wesley (William Wesley), 1926- Industrial water pollution control

Mohd. Azraai Kassim, 1958-, Kursus Intensif Pengurusan Alam Sekitar Program 10 Tahun Pembersihan Sungai Klang (1997 : Universiti Teknologi Malaysia, Skudai)

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