Astuti, Yuliani Puji, Universitas Negeri Surabaya, Indonesia

• Vol 2020 (2020) - Regular Issues
  The dynamics of COVID-19: the effect of large-scale social restrictions
  Abstract  PDF
• Vol 2022 (2022) - Regular Issues
  Co-infection model for Covid-19 and Rubella with vaccination treatment: stability and threshold
  Abstract  PDF