Analysis of ordinal longitudinal data under nonignorable missingness and misreporting: An application to Alzheimer's disease study. - Subrata Rana; Surupa Roy; Kalyan Das; Alzheimer's Disease Neuroimaging Initiative (J. Multivar. Anal., 2018)

Homotopy perturbation method for solving Caputo-type fractional-order Volterra-Fredholm integro-differential equations. - Pratibhamoy Das; Subrata Rana; Higinio Ramos (Comput. Math. Methods, 2019)

A perturbation-based approach for solving fractional-order Volterra-Fredholm integro differential equations and its convergence analysis. - Pratibhamoy Das; Subrata Rana; Higinio Ramos (Int. J. Comput. Math., 2020)

Analysis of longitudinal ordinal data using semi-parametric mixed model under missingness. - Subrata Rana (Commun. Stat. Simul. Comput., 2022)

On the approximate solutions of a class of fractional order nonlinear Volterra integro-differential initial value problems and boundary value problems of first kind and their convergence analysis. - Pratibhamoy Das; Subrata Rana; Higinio Ramos (J. Comput. Appl. Math., 2022)