Normalized Gain and Least Squares to Measure of the Effectiveness of a Physics Course. - Carlos A. Collazos; Alejandra Rojas; Hermes Castellanos; Diego Beltrán; César A. Collazos 002; Darío Melo; Iván Ruiz; Iván Ostos; Carlos A. Sánchez; Emiro De la Hoz-Franco; Farid Meléndez-Pertuz; César Mora (ICCSA (1), 2019)