2023

Tlili, Ahmed ORCID: 0000-0003-1449-7751, Garzón, Juan ORCID: 0000-0002-0374-8570, Salha, Soheil ORCID: 0000-0003-2791-9925, Huang, Ronghuai ORCID: 0000-0003-4651-5248, Xu, Lin ORCID: 0000-0001-5426-1570, Burgos, Daniel ORCID: 0000-0003-0498-1101, Denden, Mouna ORCID: 0000-0003-0035-3490, Farrell, Orna ORCID: 0000-0001-9519-2380, Farrow, Robert ORCID: 0000-0002-7625-8396, Bozkurt, Aras ORCID: 0000-0002-4520-642X, Amiel, Tel ORCID: 0000-0002-1775-1148, McGreal, Rory ORCID: 0000-0003-4393-0921, Lopez Serrano, Aida ORCID: 0000-0001-9008-7960 and Wiley, David ORCID: 0000-0001-6722-4744 (2023) Are open educational resources (OER) and practices (OEP) effective in improving learning achievement? A meta-analysis and research synthesis. International Journal of Educational Technology in Higher Education, 54 . ISSN 2365-9440