Physical, mechanical and microstructural properties of alkaline and acid-activated mixtures of calcined laterite-volcanic ash based inorganic polymers: Effects of reciprocal substitution. - Ndisho, Solomon T; Taybe, Ngaba; Baenla, Jean; Douwe, Philippe; Elimbi, Antoine (Advances in Applied Ceramics: Structural, Functional & Bioceramics, 2025)