1. WHO. Preventive chemotherapy in human helminthiasis: coordinated use of anthelminthic drugs in control interventions: a manual for health professionals and programme managers. World Health Organization, Geneva, Switzerland (2006).
2. Preventive chemotherapy in human helminthiasis: theoretical and operational aspects
3. WHO. Report of the WHO Informal Consultation on the use of chemotherapy for the control of morbidity due to soil-transmitted nematodes in humans.World Health Organization, Geneva, Switzerland (1996).
4. Control of Neglected Tropical Diseases
5. WHO/LSHTM/ITI. Trachoma control. A guide for programme managers. World Health Organization, Geneva, Switzerland (2011).