T. Tuhkanen

Two Years after Donor Funding Ended: Success Factors for Schools to Keep their Urine-Diverting Dry Toilets (UDDTs) Clean and Well Maintained

E. von Münch, K. Pynnönen, T. Tuhkanen, 2012 .

Ozonation of Pulp Mill Effluent Prior to Activated Sludge Treatment

T. Tuhkanen, T. Tuhkanen, M. Naukkarinen, 1997 .