Pejac, R.D.

Pejac, R.D., 1993. Sources for Sana'a Water Supply (SAWAS - Project) : mission report : mission period 5 March - 12 March 1993, Sana'a, Yemen: National Water and Sanitation Authority. Available at: https://nl.ircwash.org/sites/default/files/823-YESA93-10725.pdf.