A martingale representations of reciprocal processes, Statistics International Conference, Suiss ,Noshatel, 1989.
Multidimensional Analysis of Inequality in Iran, Jour. of Inst. of Math. & Comp.Sci. (Math. Ser), Vol. 18, No.1, 2005, 33-38. (joint work)
Intuitionistic fuzzy sets clustering (IFSC) with an application in psychology, Journal of Mathematics and Applications, No. 28, pp. 113-120, 2006. (joint work)
Recurrence in breast cancer analysis with frailty model, Saudi Med J, Vol. 27(8), pp 447- 453, 2006. (joint work)
Disease-free survival and metastases pattern in breast cancer patients after mastectomy: an application of stratified Markov model, International Journal of Cancer Research, Vol. 2, No. 1, 10-18, 2006. (joint work)