The event features an additional bonus for all attendees – a free tour of Barcelona. Considered one of the most beautiful, colorful places in the world, Barcelona has much to offer, from its exquisite cuisine to its breathtaking architecture. The Organizing Committee will offer the participants a city tour free of charge, so learn about Barcelona />All accepted papers will be published with ISBN Number in a soft form & all full papers sent for conference proceedings will be accepted through a double-blind review process and will be published electronically in proceedings with a DOI />All papers have publication opportunities in various indexed international journals: SCOPUS, DOAJ, EBSCO, GOOGLE SCHOLAR, COPERNICUS, and many />The 5th NTTECONF will return as an in-person event in Barcelona this Sep & also include the live-stream Virtual component for those who cannot join physically but wish to learn, connect, and />Delegates can attend & present their papers either in person or online from wherever they are in the /> An Invitation Letter will be issued and sent after registration and payment of the registration fee