%A Bukhori, Saiful %D 2019 %T REAR COVER %K %X %U https://jurnal.unej.ac.id/index.php/INFORMAL/article/view/9854 %J INFORMAL: Informatics Journal %0 Journal Article %P 29%V 3 %N 1 %@ 2503-250X %8 2019-02-25