1. Alfonso, Maria Mynn Porciuncula. (2003). Towards sustainable landscapes guidelines for regulating: Aesthetics and environmental quality of the landscapes. Unpublished master thesis. University of the Philippines.
2. Badaruddin, M., Ghafar Ahmad, A., Nurwati, B. (2008). Challenges of historic cities in the new millenium: Lessons from Malaysia, Retrieved from publications.ksu.edu.sa/Conferences/Future%20Cities%202002/Article004.doc.
3. Conway, H., & Lambert, D. (1993). Public prospects: Historic urban parks under treat. London: Garden History Society and Victorian Society.
4. The role of the landscape in the identity generation process;Enache;Procedia - Social and Behavioral Sciences,2013
5. Lee, Y.L., Ismail, S., Aya, K. The roles of cultural spaces in Malaysia's historic towns: The Case of Kuala Dungun and Taiping, Procedia - Social and Behavioral Sciences, 85,602-625.