D. T. M. Widiyatmiko, “Faktor-Faktor yang Mempengaruhi Kecemasan pada Ibu Hamil di Era Pandemi Covid-19 (Literature Review): Factors Affecting Anxiety in Pregnant Women in the Era of the Covid-19 Pandemic (Literature Review)”, Gema Bidan Indonesia, vol. 11, no. 2, Mar. 2022.