Yakovitch, Savenko Viatcheslav, et al. “Application of Geochemical, Mineralogical and Geotechnical Methods to Site Characterization for Road Construction Purposes at A1 Highway Northeastern Algeria”. International Journal of Engineering & Technology, vol. 7, no. 4, Sept. 2018, pp. 2940-4, https://doi.org/10.14419/ijet.v7i4.21517.