Romero-Riaño, Efrén, Cesar Darío Guerrero-Santander, and Hugo Ernesto Martínez-Ardila. 2020. “Agronomy Research Co-Authorship Networks in Agricultural Innovation Systems”. Revista UIS Ingenierías 20 (1):161-76. https://doi.org/10.18273/revuin.v20n1-2021015.