Jamiolkowski, M.

Hogrewe, W., Abbott, D. & Jamiolkowski, M., 1994. Wastewater treatment plant O&M audit training at Gabrovo and Veliko Tarnovo, Bulgaria, (Wash field report no. 447) Arlington, VA, USA: Water and Sanitation for Health Project (WASH). Available at: https://fr.ircwash.org/sites/default/files/341.0-94WA-12405.pdf.