A unified optimality condition for eigenvalue problems. - Wen Bin Liu; Julio E. Rubio (Kybernetika, 1993)

University Contribution to Solving Social Problems through the Construction of an Innovative, Humane, Social and Educational Ecosystem: The case of two organizations on the coffee route: Puerta a la Montaña and Cooperativa Comon Yaj Noptic. - Enedina Ortega Gutiérrez; Martha Velázquez Díaz; José Manuel Islas Pacheco; Manuel de Jesús Villalobos; Pedro Luis Grasa Soler; Judith Ruíz Godoy Rivera; Julio E. Rubio (TEEM, 2020)

Social Innovation from University Education to Reduce the Digital Gap in Chiapas. - Miriam Gleason Rodríguez; Julio E. Rubio; Martha Lucía Velázquez Díaz; José Manuel Islas Pacheco (TEEM, 2021)