Asih, Kartika, Isnarto Isnarto, and Sukestiyarno Sukestiyarno. 2019. “Mathematical Communication Skills Reviewed From Mathematical Resilience in Independent Learning and Discovery Learning Assisted by E - Learning”. Unnes Journal of Mathematics Education Research 10 (A), 112-20. https://journal.unnes.ac.id/sju/ujmer/article/view/35210.