K.M.A. Aziz, Bilqis A. Hoque, Kh.Z. Hasan, M.Y. Patwary, Sharon R.A. Huttly, M.Mujibur Rahaman, R.G. Feachem,
Reduction in diarrhoeal diseases in children in rural Bangladesh by environmental and behavioural modifications Transactions of The Royal Society of Tropical Medicine and Hygiene. ,vol. 84, pp. 433- 438 ,(1990) ,
10.1016/0035-9203(90)90353-G