Berestova, A. V., Kolosov, S. V., Tsvetkova, M. I., & Grib, E. V. (1). Improvement of student’s motivation to research activities in the process of studying. Opción, 36, 1784-1800. Recuperado a partir de http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/32516