[1]
Mónge-Nájera, J., Méndez-Estrada, V.H. and Villalobos Rodríguez, A. 2009. Effect of the typography and paragraph presentation of printed textbooks, on distance learning in adults. UNED Research Journal. 1, 1 (Jun. 2009), 43–68. DOI:https://doi.org/10.22458/urj.v1i1.234.