%0 Journal Article %T Back Matter Vol 18 No. 01 March 2018 %A W Widayat %J - %@ 0852-0798 %D 2018 %R 10.14710/reaktor.18.1.x-xx %X Matter of Reaktor in bac %U https://ejournal.undip.ac.id/index.php/reaktor/article/view/19127