Book (December 2020, 196 pages, Spanish) about structural qualitative modeling and systems science based on signed directed graphs. For readers interested in science, ecology, mathematical applications, STEM, decision-making, and education.

Print book available at: 

BUSCALIBRE.COM

Zig-Zag

Feria Chilena del Libro

Librería Lolita

Digital book available at:

Google Play

Amazon

Libros Patagonia

Socioeconomic status determines COVID-19 incidence andrelated mortality in Santiago, Chile