R. Ambarwati, Yuniar Sulistyo Kartika Sukma, A. Lembunai Tat, and Nur Hasanah, “Level of Anxiety About Covid-19 in the Community RT I RW XII Kelurahan Manyar Sabrangan Surabaya”, International Journal of Advanced Health Science and Technology, vol. 3, no. 4, pp. 251–256, Sep. 2023.