A refinement of Dyck paths: A combinatorial approach. - Rigoberto Flórez; José Luis Ramírez; Fabio A. Velandia; Diego Villamizar (Discret. Math. Algorithms Appl., 2022)

Lattice paths in corridors and cyclic corridors. - Rigoberto Flórez; Javier F. González; Mateo Matijasevick; Cristhian Pardo; José Luis Ramírez; Lina M. Simbaqueba; Fabio A. Velandia (Contributions Discret. Math., 2024)

Bijections between directed-column convex polyominoes and restricted compositions. - Jean-Luc Baril; José Luis Ramírez; Fabio A. Velandia (Theor. Comput. Sci., 2024)