1. Piaget’s constructivism, Papert’s constructionism: what’s the difference;Ackermann;Future Learn. Group Pub.,2001
2. AKER. (2016). Store. Retrieved from: https://aker.me/#section-store.
3. Smart cities: definitions, dimensions, performance, and initiatives;Albino;J. Urban Technol.,2015
4. Baichtal, J. (2011). Mitch Altman talks about the hackerspace movement. MAKE Magazine. Retrieved from: http://makezine.com/2011/08/19/mitch-altman-talks-about-thehackerspace-movement/.
5. Baichtal, J. (2013). Open access secures hackerspaces. MAKE Magazine. Retrieved from: http://makezine.com/2013/09/25/open-access-secures-hackerspaces/.