Suharto Ladjide
Tni al and technological challenges for the 21 st century
Seskoal Press, 2019
 Artikel Jurnal
Islamic and religious studies challenges and opportunities for twenty - first century Indonesia
 Artikel Jurnal
Islamic and religious studies: Challenges and opportunities for twenty-first century Indonesia
 Artikel Jurnal
Whither the Philippines in the 21 st century?
edited by Rodolfo C. Severino and Lorraine Carlos Salazar
ISEAS, 2007
 Buku Teks
Teaching classification in the 21 st century
 Artikel Jurnal