Defis XXXII
Jurnal Defis Edisi 10
Defis XXXI
Jurnal Defis Edisi 9
Defis XXX
Defis XXIX
Jurnal Defis Edisi 8
Defis XXVIII
Defis XXVII
Defis XXVI
Defis Edisi XXV
Defis XXIV