The Study of Incorporation of Fly Ash and Lightweight Expanded Clay Aggregate (LECA) in Mortar. MALAYSIAN JOURNAL OF INNOVATION IN ENGINEERING AND APPLIED SOCIAL SCIENCES (MYJIEAS), [S. l.], v. 1, n. 01, p. 29–39, 2021. Disponível em: https://myjieas.psa.edu.my/myjieas/article/view/29. Acesso em: 4 mar. 2026.