Ouchen, I., El. Fellah, Y., Khairy Abd El- Aal, A. E.-A., & Harnafi, M. (2018). Soil amplification factors at the seismographic network stations sites in morocco from seismic ambient noise. International Journal of Engineering & Technology, 7(4), 4304-4310. https://doi.org/10.14419/ijet.v7i4.20216