Asif , A. R., S. S. Ali, N. Noreen, W. Ahmad, S. Khan, M. Y. Khan, and M. Waseem. “Correlation of Electrical Resistivity of Soil With Geotechnical Engineering Parameters at Wattar Area District Nowshera, Khyber Pakhtunkhwa, Pakistan”. Journal of Himalayan Earth Sciences, vol. 49, no. 1, Mar. 2016, pp. 124-30, http://ojs.uop.edu.pk/jhes/article/view/1936.