Panjaitan, Merphin, author
Jala Permata Aksara, 2013
Buku Teks
Siga, Willfridus Demetrius, author
REformed Center for Religion and Masyarakat (RCRS), 2018
Majalah, Jurnal, Buletin
Panjaitan, Merphin, author
Jala Permata Aksara, 2016
Buku Teks SO
Hartono, author
Rineka Cipta, 1992
Buku Teks SO
Hartono, author
Rineka Cipta, 1992
Buku Teks SO