A survey on big data-enabled innovative online education systems during the COVID-19 pandemic Yuhuan Cui; Zezhong Ma; Liya Wang; Aimin Yang; Qiumei Liu; Shanshan Kong; Huifang Wang;

Knowledge and vaccination in COVID-19 management efficiency: a Global Malmquist-Luenberger index analysis Martínez Córdoba Pedro José; Márquez Arenas Lorena; Povedano Fernández Pablo; Rodríguez Gómez Sara; Zafra Gómez José Luis;

National innovation beyond linear models: An exploratory QCA of asymmetric pathways to successful and failure-bound innovation strategies of EU economies post-Covid-19 Fernando Castelló-Sirvent; Cristina Santos-Rojo; Juan Manuel García-García;