A The Effectiveness of a Program to Improve Environmental Hygiene among Selected Households. Journal of Scientific Temper (JST), [S. l.], v. 11, n. 4, p. 193–208, 2024. DOI: 10.56042/jst.v11i4.6258. Disponível em: https://or.niscpr.res.in/index.php/JST/article/view/6258. Acesso em: 16 may. 2026.