info:oai:repository.unp.ac.id:38845info:ofi/fmt:xml:xsd:bookSalmainiSalmainiSalmaini, SalmainiFauzanAhmadFauzan, AhmadArnawaI MadeArnawa, I MadeDarmansyahDarmansyahDarmansyah, DarmansyahWidadaWahyuWidada, WahyuThe Relationship Between the Ability of Understanding Mathematical Concepts With Language Ability During Contextual Learning2020proceeding