Gunariyanto, Eko, 		Trapsilasiwi, Dinawati, AND 		Kristiana, Arika.
" PENGEMBANGAN PERANGKAT PEMBELAJARAN MATEMATIKA BERBASIS CONTEXTUAL TEACHING AND LEARNING SETTING COOPERATIVE LEARNINGTIPE JIGSAWSUB POKOKBAHASAN BELAH KETUPAT DAN LAYANG-LAYANG KELAS VII SMP" <em>Kadikma</em> [Online], Volume 5 Number 1 (1 April 2014)