Marcelo Santiago Hernández

instituto politécnico nacional agricultural beifi ipn ipn agriculture secretaria de investigacion y posgrado msh worldwide ipn. msh projections agroecología sip instituto politecnico nacional election night agronomy biology mercadothecnical 2021 election center 270 democrat republican primaries caucuses 2020 slideshare governors house of representatives senate midterms 2018 ipn instituto politécnico nacional ciudad de mexico maestría hillary clinton donald trump election 2016 thanks nbc cnn. gop 2015 election estadistica cinvestav. marcelo reciclaje nuevo 2013 nivel agriculture and forestry personal cinvestav centro de investigación y de estudios avanzados d aghricultural service social biochemical