@article{Raúl202213 title = "Analysis of Covid-19 Using A Modified SEIR Model To Understand The Cases Registered in Singapore, Spain, And Venezuela", journal = "Journal of Model Based Research", volume = "1", number = "4", pages = "13 - 22", year = "2022", note = "", issn = "2643-2811", doi = "https://doi.org/10.14302/issn.2643-2811.jmbr-22-4258", url = "http://jcci-clinicalarticles.infojmbr/article/1864", author = "Isea Raúl and Mayo-García Rafael", keywords = "Covid-19", keywords = "SEIR", keywords = "Mantissa", keywords = "Dynamics", keywords = "Spain", keywords = "Singapore", keywords = "Venezuela" }