Multivariate Technical Analysis of Data on the Multidimensional Effects of Pandemics in Chile (1850-1923). - Alexis Matheu; Paola Juica; Francisco Ocaranza; Juliana Hadjitchoneva; Marcelo Ruiz; Claudio Ruff (ARTIIS, 2021)

Management Model and Strategic Management in Higher Education, Continuous Improvement, and Impact in Rankings. - Claudio Ruff; Marcelo Ruiz; Tomas Flores; Cristián Cornejo; Roberto Cortés; Alexis Matheu (WorldCIST (3), 2021)