., M.D.J.N., ., D.I.W.W.S.M. and ., D.I.G.A.A.S.A. 2013. TEORI BELAJAR KOGNITIF BERBASIS PENDEKATAN OPEN-ENDED BERBANTUAN MEDIA KONKRIT BERPENGARUH TERHADAP HASIL BELAJAR MATEMATIKA . MIMBAR PGSD Undiksha. 2, 1 (Dec. 2013). DOI:https://doi.org/10.23887/jjpgsd.v2i1.1864.