1. Review of economic and environmental benefits of earthen materials for housing in Africa
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3. ASTM C1314. 2016. Standard Test Method for Compressive Strength of Masonry Prisms. West Conshohocken, PA, USA: ASTM International.
4. ASTM C348. 2020. Standard Test Method for Flexural Strength of Hydraulic-Cement Mortars.
5. ASTM C67. 2016. Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile. West Conshohocken PA USA: ASTM International.