1. Abidin M.H.Z. Saad R. Ahmad F. Wijeyesekera D.C.andBaharuddin F.T.(2011)Application of geophysical methods in civil engineering. Malaysian Technical Universities International Conference on Engineering & Technology (MUiCET).
2. Seismic‐refraction field experiments on Galapagos Islands: a quantitative tool for hydrogeology;Adelinet M.;Journal of Applied Geophysics,2018
3. Álvarez Manilla A.A.(2013)Geofísica aplicada en los proyectos básicos de ingeniería civil. Secretaría de Comunicaciones y Transportes Instituto Mexicano del Transporte. Publicación Técnica No. 229.
4. AASHTO T194(1997)Method of test for determination of organic matter in soils by wet combustion. American Association of State Highway and Transportation Officials.
5. ASTM D1883(2007)Standard test method for California bearing ratio (CBR) of laboratory‐compacted soils.ASTM International West Conshohocken PA www.astm.org