I. N. Sulabh Int Delhi,
« Schools as community health promoters », vol. unit 1. Sulabh International, New Delhi, India, p. ii, 20 p., 1995.
Socio-Economic Units, Kerala -Trivandrum, IN et Trivandrum, I. N. I. U. P. H. E. Sou,
« Strategies and approaches for community-based initiatives : a source book on environmental hygiene promotion : proceedings of the National Conference on Environmental Hygiene and Promotional Initiatives ». Kerala Water Authority, Socio-Economic Units, Trivandrum, India, p. 169 p. : fig., tab., 1995.
World Bank -Washington, DC, US,
« World Bank participation sourcebook », vol. no. 19. World Bank Environment Department, Washington, DC, USA, p. iii, 247 p. : boxes, fig., 1995.