Pushpangadan, K.

Pushpangadan, K., 2002. Social returns from drinking water, sanitation and hygiene education : a case study of two coastal villages in Kerala, (Working paper / CDS (Kerala) no. 333) Thiruvananthapuram, India: Centre for Development Studies (Kerala), CDS. Available at: https://nl.ircwash.org/sites/default/files/Pushpangadan-2002-Social.pdf.