K. DAHRI, M. A. MEMON, K. KHOUMBATI, and I. A. ISMAILI. “Interoperable Health Care System Using Blockchain Technology”. Sindh University Research Journal - SURJ (Science Series), Vol. 51, no. 3, Oct. 2019, https://sujo.usindh.edu.pk/index.php/SURJ/article/view/152.