OER Knowledge CloudJournal ArticleSpecial report on the role of open educational resources in supporting the sustainable development goal 4: Quality education challenges and opportunitiesSpecial report on the role of open educational resources in supporting the sustainable development goal 4: Quality education challenges and opportunities20172017/11McGreal, RoryUgandaopen textbooksOER opportunitiesOER challengesMOOCsMaskwacisIndo-EducaIndigenous knowledgeEthiopiaCanadaThe International Review of Research in Open and Distributed Learning187292-3051492-3831yes10.19173/irrodl.v18i7.3541http://www.irrodl.org/index.php/irrodl/article/view/3541http://www.irrodl.org/index.php/irrodl/article/view/35413541-25647-1-PB.pdfAthabasca, AB, Canada, North America