Improvements of the environment for better health is not just a matter of technology. It may impinge on various beliefs and customs of people and lead them to reject such action. This basic principle is emphasised in this article.
PAUL, B. D. (1958): The Role of Beliefs and Customs in Sanitation Programs. In: American Journal of Public Health and the Nations Health: Volume 48 , 1502–1506. URL [Accessed: 05.06.2018]