López Selva, Ixchel Arelly. “Didactic Strategy Illustrations As a Contribution to the Understanding of the Topic Value Chains in the Industrial Engineering Major of the UNAN-FAREM-Carazo”. Torreon Universitario Magazine, vol. 14, no. 39, Apr. 2025, pp. 147-56, doi:10.5377/rtu.v14i39.20141.