A study of modal logic with semantics based on rough set theory. - Md. Aquil Khan; Ranjan; Amal Talukdar (J. Appl. Non Class. Logics, 2024)

A Semantics of Basic Modal Language via a Rough Set Framework. - Md. Aquil Khan; Ranjan (ICLA, 2025)

A formal study of a rough set model integrating relational and neighbourhood system approaches. - Md. Aquil Khan; Ranjan (Int. J. Approx. Reason., 2025)

A semantics of the basic modal language based on a generalized rough set model. - Md. Aquil Khan; Ranjan (Inf. Sci., 2025)