Rigoberto Fimia-Duarte, Jorge Luis Contreras Vidal, David Del Valle Laveaga, Ricardo Osés Rodríguez, Rafael Armiñana García & María Patricia Zambrano Gavilanes. Study on the Methodology of Regressive Objective Regression According to the New SARS-CoV-2 COVID-19 Pandemic in the Municipality of Santa Clara and Cuba. IDHR-V2 2021, 47-55.