Balasuriya, B.L.N.

Vigneswaran, S., Balasuriya, B.L.N. & Viraraghavan, T., 1986. Anaerobic wastewater treatment : attached growth and sludge blanket process, (Environmental sanitation reviews no. 19/20) Bangkok, Thailand: Environmental Sanitation Information Center, ENSIC. Available at: https://pt.ircwash.org/sites/default/files/341.2-86AN-2504.pdf.