Martínez-Cerdá, Juan-Francisco, and Joan Torrent-Sellens. “Formal Lifelong E-Learning for Employability and Job Stability During Turbulent Times in Spain”. The International Review of Research in Open and Distributed Learning 18, no. 6 (September 25, 2017). Accessed April 16, 2024. https://www.irrodl.org/index.php/irrodl/article/view/2974.