@book{ Solr-52152, title = {Matrizeak, nolako ariketak ateratzen dira selektibitatean? (selektibitatea 2020) / Jakindun}, series = {Jakindun (Youtube kanala)}, address = {Basauri}, publisher = {Jakindun.com}, year = {2020}, url = {https://www.youtube.com/channel/UC8K1Oidib08P0uZEjyCIV_g} url = {https://youtu.be/Qs7O4wMaVAM} }