Jurnal SPEKTRUM
Vol 4 No 2 (2017)

Jurnal SPEKTRUM
Vol 4 No 1 (2017)

Jurnal SPEKTRUM
Vol 3 No 2 (2016)

Jurnal SPEKTRUM
Vol 3 No 1 (2016)

Jurnal SPEKTRUM
Vol 2 No 4 (2015)

Jurnal SPEKTRUM
Vol 2 No 3 (2015)

Jurnal SPEKTRUM
Vol 2 No 2 (2015)

Jurnal SPEKTRUM
Vol 2 No 1 (2015)

Jurnal SPEKTRUM
Vol 1 No 1 (2014)