Ulya, Himmatul, AND 		Rahayu, Ratri.
" Uji Kelayakan Perangkat Pembelajaran Open-Ended Berbasis Etnomatematika Ditinjau dari Gaya Kognitif Siswa" <em>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</em> [Online], Volume 2 Number 2 (3 July 2018)