On the Gerber-Shiu function of a MAP risk model with possible delayed phase-type by-claims. - A. S. Dibu; Machuveettil Joseph Jacob (Int. J. Math. Oper. Res., 2021)

On a double barrier hybrid dividend strategy in a compound Poisson risk model with stochastic income. - A. S. Dibu; Machuveettil Joseph Jacob (Ann. Oper. Res., 2022)

A Markovian risk model with possible by-claims and dividend barrier. - P. P. Sreeshamim; M. J. Jacob; A. S. Dibu (Int. J. Math. Oper. Res., 2023)