Singh, A. P., and R. S. Chapman. “Knowledge, Attitude and Practices (KAP) on Disposal of Sharp Waste, Used for Home Management of Type-2 Diabetes Mellitus, in New Delhi, India”. Journal of Health Research, vol. 25, no. 3, Mar. 2017, pp. 135-40, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/81159.