Student Engagement Outside the Classroom: Analysis of a Challenge-Based Learning Strategy in Biotechnology Engineering. - Jorge Membrillo-Hernández; Rodrigo B. Munoz-Soto; Alvaro C. Rodriguez-Sanchez; Jose Alberto Diaz-Quinonez; Patricia Vazquez Villegas; Josefina Castillo-Reyna; Alicia Ramirez-Medrano (EDUCON, 2019)