https://www.slideshare.net/ravtejsingh16/hierarchy-of-open-spaces (CASE STUDY/CHANDIGHAR, CANBEERA GARDERN CITY) https://www.slideshare.net/PrakashAryal1/open-spaces-29485007 (OPEN SAPCES)
http://modgov.cherwell.gov.uk/documents/s31171/Appendix%204%20%20North%20West%20Bicester%20SPD%20-%20Final%20Draft%20November%202015.pdf https://e-futures.group.shef.ac.uk/publications/pdf/59_Microsoft%20Word%20-%2016.pdf https://e-futures.group.shef.ac.uk/publications/pdf/59_Microsoft%20Word%20-%2016.pdf http://brooksbankgeographyyr13.wikispaces.com/Case+Study+-+Ecotowns http://nwbicester.co.uk/the-first-phase/factsheets/what-makes-north-west-bicester-unique/