Ahmed, Sahar, and Shaymaa Sayed Khalil. “Relationship Between Health-Related Quality of Life and Self-Esteem of Adult Patients Receiving Chemotherapy for Cancer Treatment”. International Journal of Advanced Nursing Studies, vol. 6, no. 1, May 2017, pp. 63-66, https://doi.org/10.14419/ijans.v6i1.7587.