Yebqi Farhan, author
Matapadi Pressindo, 2022
Buku Teks
Tambunan, Andhika Josep Jeremia, author
2019
UI - Tesis (Membership)
Tinia Budiati, author
Universitas Indonesia, 1985
UI - Skripsi (Membership)
Pardede, Rebecca Dewi Suryani, author
Universitas Indonesia, 1986
UI - Skripsi (Membership)
Sitorus, Tambos, author
1989
UI - Skripsi (Membership)