Methodological Approach to the Definition of a Blockchain System for the Food Industry Supply Chain Traceability. - Rafael Bettín-Díaz; Alix E. Rojas; Camilo Mejía-Moncayo (ICCSA (2), 2018)

Colombian Origin Coffee Supply Chain Traceability by a Blockchain Implementation. - Rafael Bettín-Díaz; Alix E. Rojas; Camilo Mejía-Moncayo (Oper. Res. Forum, 2022)