S. Goutham and V. Raghavan, “Prevalence and family factors associated with loneliness during COVID-19: A cross-sectional study from South India”, Ind Jnl Ment Health Nsci, vol. 3, no. 2, pp. 61–67, Sep. 2021, doi: 10.32746/ijmhns.2020.v3.i2.52.