@book{14309, author = {Aguilar Navarro, Marlene Elizabeth and Ventura Ventura, William Alexander }, title = {Algeblocks /}, publisher = {Editorial Universidad Gerardo Barrios,}, year = {2016}, address = {San Miguel:}, edition = {1a. ed.}, url = {https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-retrieve-file.pl?id=0000e18638c705583a39d6a2590719fa} }