Lessons from Karachi : the role of demonstration, documentation, mapping and relationship building in advocacy for improved urban sanitation and water services /
Pervaiz, Arif.
Rahman, Perween.
Hasan, Arif,1943-
International Institute for Environment and Development.Human Settlements Programme.
London : International Institute for Environment and Development (IIED),
c2008.
"August 2008."
Includes bibliographical references.
Water-supply
Sanitation