Quoc, N.A., Tri, N.M., Thuong, N.A., Hoang, D.T., Chien, D.V. and Bung, N.V. 2022. The disappearing state. International journal of health sciences. 6, S1 (Mar. 2022), 1231–1243. DOI:https://doi.org/10.53730/ijhs.v6nS1.4882.