URN:NBN:SI:DOC-O9ZEZF512020Muksar, MakbulMurniasih, Tatik RetnoSa'dijah, CholisSusiswo, Susiswodocuments/doc/O/URN_NBN_SI_doc-O9ZEZF51_001.pdfdocuments/doc/O/URN_NBN_SI_doc-O9ZEZF51_001.txt102articlestr. 27-471855-971922904579URN:NBN:SI:doc-O9ZEZF51engPedagoška fakulteta, Univerza v LjubljaniCEPS journalBYmatematikamathematicsteacheručiteljan analysis of preservice mathematics teachers' cognitive obstaclesFraction sense