DEVELOPMENT OF SUSTAINABLE FOAM CONCRETE: IMPROVING PROPERTIES WITH FLY ASH AND COCONUT FIBER INTEGRATION. Journal of Management and Architecture Research, [S. l.], v. 7, n. 01, p. 1–17, 2025. Disponível em: http://jomaar.com/index.php/jomaar/article/view/30.. Acesso em: 15 sep. 2025.