1. Sari M., Karpuz C., Ayday C., "Estimating rock mass properties using Monte Carlo simulation: Ankara andesites", Computers & Geosciences, Vol. 36 (2010) 959-969.## 2. Hoek E., "Reliability of the Hoek-Brown estimates of rock mass properties and their impact on design", International Journal of Rock Mechanics and Mining Sciences, Vol. 35 (1998) 63-68. ## 3. Sari M., "The stochastic assessment of strength and deformability characteristics for a pyroclastic rock mass", International Journal of Rock Mechanics and Mining Sciences, Vol. 46 (2009) 613-626. ## 4. Idris M.A., Saiang D., Nordlund E., "Numerical analyses of the effects of rock mass property variability on open stope stability", American Rock Mechanics Association (2011). ## 5. Hoel P.G., Port S.C., Stone C.J., "Introduction to probability theory", Houghton Mifflin Company (1971). ## 6. Baecher G.B., christen J.T., "Reliability and statistic in geotechnical engineering", John Wiley (2003). ## 7. Tobutt D., "Monte Carlo simulation methods for slope stability", Computers & Geosciences, Vol. 8 (1982) 199-208. ## 8. Robert C., Casella, "Monte Carlo statistical methods", 2nd ed G. Springer-verlag, New York (2004). ## 9. زارعی ا.، آمار کاربردی، انتشارات دانش پرور، تهران (1383). ## 10 .فروند جان، آمار ریاضی، ترجمه: علی عمیدی، محمد قاسم وحیدی اصل. مرکز نشر دانشگاهی، چاپ هشتم، تهران (1384). ## 11. Minitab web siteو "Tutorials of Minitab 16.2.2", Product licensed to: Hewlett-Packard corporation, Minitab web site ( http://www.minitab.com) (2010). ## 12. Hoek E., Carranza-Torres C.T., Corkum B., "Hoek-Brown failure criterion-2002 edition", In: Proceedings of the fifth North American rock mechanics symposium, Toronto, Canada, Vol. 1 (www.Rockscience.com) (2002) 267-273.. ##13. Singh B., Goel R.K., "Rock mass classification, a practical approach in civil engineering", Elsevier Science Ltd (1999). ## 14. Zhang L., "Engineering properties of rocks, Elsevier Geo-Engineering Book Series Volume 4", Elsevier Science Ltd (2005). ## 15. Sonmez H., Ulusay R., "Modification to the Geological Strength Index (GSI) and their applicability to stability of slopes", International Journal of Rock Mechanics and Mining Sciences, Vol. 36 (1999) 743-760. ## 16. Sonmez H., Ulusay R., "A discussion on the Hoek- Brown failure criterion and suggested modification to the criterion verified by slope stability case studies", Yerbilimleri (Earth sciences), Vol. 26 (2002) 77-99. ## 17. Hack R., Price D., Rengers N., "A new approach to rock slope stability-a probability classification (SSPC)", Bull Eng Geol Environ, Vol. 62 (2003) 167-184. ##