Gan, Daniel R. Y.; Fung, John Chye; Cho, Im Sik (2019). "Neighborhood Experiences of People Over Age 50: Factor Structure and Validity of a Scale". The Gerontologist. 60 (8): e559–e571. doi:10.1093/geront/gnz111. PMID31504478.
Gan, Daniel R. Y.; Fung, John Chye; Cho, Im Sik (2019). "Neighborhood Experiences of People Over Age 50: Factor Structure and Validity of a Scale". The Gerontologist. 60 (8): e559–e571. doi:10.1093/geront/gnz111. PMID31504478.