UDAYA KUMAR, K.; RAJENDRAN, S. A Study on Water and Sanitation Facilities in Higher Secondary Schools in Salem District, Tamil Nadu. Arthshastra Indian Journal of Economics & Research, [S. l.], v. 5, n. 6, p. 21–30, 2016. DOI: 10.17010/aijer/2016/v5i6/107519. Disponível em: https://indianjournalofeconomicsandresearch.com/index.php/aijer/article/view/107519. Acesso em: 9 dec. 2025.