Henning, R.

Yacoob, M., O'Brien, D. & Henning, R., 1989. CARE Indonesia : increasing community participation and developing a basic strategy for hygiene education in rural water and sanitation programs, (Wash field report no. 284) Arlington, VA, USA: Water and Sanitation for Health Project (WASH). Available at: https://pt.ircwash.org/sites/default/files/822-ID89-6840.pdf.