Science, Technology and Innovations. International Scientific Conferences. Science, Technology and Innovations : Collection of Scientific Articles from International Scientific Conferences. Reviewers: Maria Dos-Santos, John C. Crotss. 1st Edition. Lisbon : Pegasus Publishing, 2019. [132 s.]. Available on Internet: <http://conferencii.com/files/archive/2019-08.pdf> ISBN 978-989-54130-5-9.