Ancona Anacona FA, Solarte Sarasty MF, Ramírez González GA. LexRank with threshold to identify EF-ISF navigation patterns in xMOOC of Open edX. rev.ing.univ.Medellin [Internet]. 2021Jun.28 [cited 2024Apr.24];20(39):85-6. Available from: https://revistas.udem.edu.co/index.php/ingenierias/article/view/2975