Willy Juimo, Toufik Cherradi, Larbi Abidi, and Luiz Oliveira. 2021. “CHARACTERISATION OF NATURAL POZZOLAN OF ‘DJOUNGO’ (CAMEROON) AS LIGHTWEIGHT AGGREGATE FOR LIGTWEIGHT CONCRETE”. GEOMATE Journal 11 (27):2782-89. https://geomatejournal.com/geomate/article/view/2769.