by Sitohang, Yosep Oktavianus, Andriyana, Yudhie, Chadidjah, Anna
Published in Telkomnika (01.08.2018)

by Sitohang, Yosep Oktavianus, Sasmita, Yoga, Andriyana, Yudhie, Pawitan, Gandhi
Published in JDM: Jurnal Dinamika Manajemen (16.09.2017)

by Sitohang, Yosep Oktavianus, Darmawan, Gumgum
Published in Euclid (Online) (17.01.2018)

by Yosep Oktavianus Sitohang, Gumgum Darmawan
Published in Euclid (Online) (01.01.2018)

by Sitohang, Yosep Oktavianus
Published in Statistika (Bandung, Indonesia) (18.07.2017)

by yosep oktavianus sitohang
Published in Statistika (01.07.2017)