Patrialis Akbar
Total Media, 2013
Buku Teks
Muhammad Ridhwan Indra
Haji Masagung, 1990
Buku Teks
Muhammad Ridhwan Indra
Haji Masagung, 1989
Buku Teks
Muhammad Ridhwan Indra
Haji Masagung, 1989
Buku Teks
Universitas Indonesia, 1983
UI - Skripsi (Membership)