Hooi, L. B., Siong, C. N., Camarador, R. A., Khoa, P. T. A. and Sumartiningsih, S. (2022) “Comparison between gender and vaccination status on psychological states during peak period of total serious and critical cases of COVID-19 pandemic in developing countries”, International journal of health sciences, 6(S5), pp. 11929–11942. doi: 10.53730/ijhs.v6nS5.11582.