Vazquez, J. J., and E. P. Chiang. “Preparing Students For Class: A Clinical Trial Testing The Efficacy Between Multimedia Pre-Lectures And Textbooks in an Economics Course”. Journal of College Teaching & Learning (TLC), vol. 13, no. 2, Mar. 2016, pp. 37-46, doi:10.19030/tlc.v13i2.9631.