Biblio

I. N. Sulabh Int Delhi y World Toilet Organization -Singapore, SG, WTO, «World toilet summit 2007, New Delhi, India, 31st October to 3rd November 2007». Sulabh International, New Delhi, India, p. 268 p. : photogr., 2007.

I. N. Sulabh Int Delhi, «Sulabh sanitation movement in India». Sulabh International Social Service Organisation, New Delhi, India, p. 93 p. : photogr., 1997.

I. N. Sulabh Int Delhi, «Cost-effective and appropriate sanitation systems : the case of Sulabh International». Sulabh International Social Service Organisation, New Delhi, India, p. 11 p., 1996.

I. N. Sulabh Int Delhi, «Sulabh international museum of toilets». Sulabh International Social Service Organisation, New Delhi, India, p. 35 p. : photogr., 1996.

I. N. Sulabh Int Delhi, «Sulabh public toilets, bath & health centres in India». Sulabh International Social Service Organisation, New Delhi, India, p. 29 p. : fig., photogr., 1996.