between 7 159 and.8 160 in the United Kingdom, to a high of between 59 and 80 in Cambodia. (1977) A Bibliography of Prostitution. 86 Islam According to Shia Muslims, Muhammad sanctioned Nikah mutah (fixed-term marriage, called muta'a in Iraq and sigheh in Iran ) which has instead been used as a legitimizing cover for sex workers, in a culture where prostitution is otherwise forbidden. 107 International prostitutes' rights organizations include the International Committee for Prostitutes' Rights and the Network of Sex Work Projects. Martin Moen, Ole (2012). Thrupp, Stroud, Gloucestershire: Sutton Publishing.