1. Asian Development Bank. 2010. Completion Report - Philippines: Pasig River Environmental Management and Rehabilitation Sector Development Program. Retrieved July 28, 2021 from: t.ly/cQtK.
2. Andranovich, G.D., and G. Riposa. 1993. Doing Urban Research. DOI: SAGE Publications. https://doi.org/10.4135/9781412983983.
3. Arefi, M., and C. Kickert, eds. 2019. The Palgrave Handbook of Bottom-Up Urbanism. Cham: Springer International Publishing AG.
4. ASSURE. 2019. Public Parks, Open and Green Spaces. A planning & Development Guide. Retrieved July 28, 2021 from: t.ly/uuVi.
5. Banks, N., M. Lombard, and D. Mitlin. 2020. Urban Informality as a Site of Critical Analysis. The Journal of Development Studies 56 (2): 223–238. https://doi.org/10.1080/00220388.2019.1577384.