Khalilnejad, Abdolhossein and Osman, Normaniza and Ali, F.H. (2012) Contribution of The Root To Slope Stability. Geotechnical and Geological Engineering, 30 (2). pp. 277-288. ISSN 0960-3182, DOI https://doi.org/10.1007/s10706-011-9446-5.