Vol. 10 No. 22 (2018): January- June

Cover: UNESCO and the UN commemorate in 2018 the right to freedom of expression, the right to participate in scientific progress and the benefits that result, this promotes cooperation among nations in all branches of intellectual activity , as well as the exchange of publications, works of art and laboratory material and any useful documentation in this regard. World Day of Book and Copyright (April) is part of this celebration. Therefore, the photograph by Lauren Ortega and Pedro García (@lenaorsph) dedicated to the bearer of knowledge is presented: the book.