T. Kamalraj, S. Amarawickrama, N. Kankanamge, and L. Meetiyagoda, “Determinants of Place Attachment: Comparative Study of Horizontal and Vertical Middle-Income Residential Environments in Sri Lanka”, Psychosocial rehabilitation, vol. 23, no. 4, pp. 2017–2027, Oct. 2019, doi: 10.61841/1r21jf76.