1. Chemotherapy of leprosy for control programmes: report of a WHO study group. Tech Report Series 675,1982
2. Study group on epidemiology of leprosy in relation to control. Tech Repor Series 716,1985
3. New case detection trends in leprosys,2015
4. Weekly Epidemiological Record,2015
5. International leprosy summit: overcoming the remaining challenges. Bangkok Declaration,2013