1. Extended leg infection of diabetic foot ulcers: risk factors and outcome
2. Agustin, Y., et al. Pengalaman Klien Diabetes Melitus Tipe 2 Pasca Amputasi Mayor Ekstrimitas Bawah. Jurnal Keperawatan Indonesia, vol. 16, no. 2, 2013, pp. 107–13.
3. Bradbury, Sarah E., and Patricia E. Price. Diabetic Foot Ulcer Pain: The Hidden Burden (Part Two). EWMA Journal, vol. 11, no. 2, European Wound Management Association, May 2011, pp. 25–37, http://search.ebscohost.com/login.aspx?direct=true&db=rzh&AN=104656955&site=ehost-live.
4. Bradbury, Sarah E., and Patricia E. Price. The Hidden Burden. EWMA Journal, vol. 11, no. 2, 2011, pp. 11–22.
5. The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research