National Documentation Centre
ePublishing
National Archive of PhD Theses
E-Locus, the Institutional Repository of the University of Crete Library
European Mathematical Information Service
Mathematics Education Database
Eric - Education Resources Information Center
Springer
Elsevier
Science Direct
SAGE
Taylor & Francis
JSTOR
Karger
Informit
Ingenta connect
Wiley Online Library
Open Journal Systems (OJS)/ Public Knowledge Project (PKP)
EdITLib Digital Library
Library and Information Services / Nelson Mandela Metropolitan University
Mathematics and Argumentation
Books and articles about mathematical example, argumentation and proof
Publications, Annenberg Institute for School Reform
American Mathematical Society ' Publications
Genamics JournalSeek
Cabell's International
The Learner Collection
The National Academies Press
Stenhouse Publishers
100 Search Engines For Academic Research
