Marita, P., and R. Acharya Pandey. “Prevalence of Sleep – Wake Cycle Disturbance Among Cancer Patients of Bhaktapur Cancer Hospital, Nepal”. Journal of Chitwan Medical College, vol. 6, no. 2, Feb. 2017, pp. 6-13, https://nepjol.info./index.php/JCMC/article/view/16678.