Predicting the impact of COVID-19 on fertility in the Special Region of Yogyakarta, IndonesiaMuhammad Arif Fahrudin Alfana, Hidayati Nur Rohmah, Salma Nurulhuda and Mohammad Isnaini SadaliE3S Web Conf., 325 (2021) 06008DOI: https://doi.org/10.1051/e3sconf/202132506008