TY - JOUR PY - 2019 TI - INFORMAL - Informatics Journal JF - INFORMAL: Informatics Journal; Vol 4 No 2 (2019): INFORMAL - Informatics Journal DO - 10.19184/isj.v4i2.14601 KW - N2 - UR - https://jurnal.unej.ac.id/index.php/INFORMAL/article/view/14601