S. Z. Hassan, M. A. Naeem, A. Waheed, and M. J. Thaheem, “Assessment of socio-economic profile and residents’ satisfaction living in apartments and single unit houses in Islamabad, Pakistan”, IJSPM, vol. 23, no. 5, pp. 284–297, May 2019, doi: 10.3846/ijspm.2019.8067.