The Effects of Teacher Social Presence on Student Satisfaction, Engagement, and Learning. - Alyssa Friend Wise; Juyu Chang; Thomas M. Duffy; Rodrigo Del-Valle (ICLS, 2004)

A non-Newtonian gradient for contour detection in images with multiplicative noise. - Marco Mora; Fernando Córdova-Lepe; Rodrigo Del-Valle (Pattern Recognit. Lett., 2012)

A new approach to the concept of linearity. Some elements for a multiplicative linear algebra. - Fernando Córdova-Lepe; Rodrigo Del-Valle; Karina Vilches (Int. J. Comput. Math., 2020)